Home / 48,147.04-72,220.24-13,086.56

Finding the Fourth Proportional to 48,147.04, 72,220.24 and 13,086.56

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Solution

The fourth proportional to 48,147.04, 72,220.24 and 13,086.56 is: 19,629.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,147.04 : 72,220.24 = 13,086.56 : x
  2. Step 2: Convert to fraction form
    48,147.04/72,220.24 = 13,086.56/x
  3. Step 3: Cross multiply
    48,147.04x = 72,220.24 × 13,086.56
  4. Step 4: Simplify right side
    48,147.04x = 945,114,503.97
  5. Step 5: Solve for x
    x = 945,114,503.97/48,147.04
  6. Step 6: Final answer
    x = 19,629.75

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.