Home / 48,230.04-66,557.60-28,100.73

Finding the Fourth Proportional to 48,230.04, 66,557.60 and 28,100.73

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Solution

The fourth proportional to 48,230.04, 66,557.60 and 28,100.73 is: 38,779.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,230.04 : 66,557.60 = 28,100.73 : x
  2. Step 2: Convert to fraction form
    48,230.04/66,557.60 = 28,100.73/x
  3. Step 3: Cross multiply
    48,230.04x = 66,557.60 × 28,100.73
  4. Step 4: Simplify right side
    48,230.04x = 1,870,317,147.05
  5. Step 5: Solve for x
    x = 1,870,317,147.05/48,230.04
  6. Step 6: Final answer
    x = 38,779.09

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.