Home / 54,153.40-74,732.14-29,957.90

Finding the Fourth Proportional to 54,153.40, 74,732.14 and 29,957.90

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Solution

The fourth proportional to 54,153.40, 74,732.14 and 29,957.90 is: 41,342.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,153.40 : 74,732.14 = 29,957.90 : x
  2. Step 2: Convert to fraction form
    54,153.40/74,732.14 = 29,957.90/x
  3. Step 3: Cross multiply
    54,153.40x = 74,732.14 × 29,957.90
  4. Step 4: Simplify right side
    54,153.40x = 2,238,817,976.91
  5. Step 5: Solve for x
    x = 2,238,817,976.91/54,153.40
  6. Step 6: Final answer
    x = 41,342.15

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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.