Home / 52,260.76-72,119.19-28,387.60

Finding the Fourth Proportional to 52,260.76, 72,119.19 and 28,387.60

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Solution

The fourth proportional to 52,260.76, 72,119.19 and 28,387.60 is: 39,174.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,260.76 : 72,119.19 = 28,387.60 : x
  2. Step 2: Convert to fraction form
    52,260.76/72,119.19 = 28,387.60/x
  3. Step 3: Cross multiply
    52,260.76x = 72,119.19 × 28,387.60
  4. Step 4: Simplify right side
    52,260.76x = 2,047,290,644.20
  5. Step 5: Solve for x
    x = 2,047,290,644.20/52,260.76
  6. Step 6: Final answer
    x = 39,174.53

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Double scale
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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.