Home / 74,160.41-111,240.55-29,787.17

Finding the Fourth Proportional to 74,160.41, 111,240.55 and 29,787.17

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Solution

The fourth proportional to 74,160.41, 111,240.55 and 29,787.17 is: 44,680.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,160.41 : 111,240.55 = 29,787.17 : x
  2. Step 2: Convert to fraction form
    74,160.41/111,240.55 = 29,787.17/x
  3. Step 3: Cross multiply
    74,160.41x = 111,240.55 × 29,787.17
  4. Step 4: Simplify right side
    74,160.41x = 3,313,541,377.38
  5. Step 5: Solve for x
    x = 3,313,541,377.38/74,160.41
  6. Step 6: Final answer
    x = 44,680.73

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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.