Home / 74,737.27-103,079.12-47,882.30

Finding the Fourth Proportional to 74,737.27, 103,079.12 and 47,882.30

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Solution

The fourth proportional to 74,737.27, 103,079.12 and 47,882.30 is: 66,040.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,737.27 : 103,079.12 = 47,882.30 : x
  2. Step 2: Convert to fraction form
    74,737.27/103,079.12 = 47,882.30/x
  3. Step 3: Cross multiply
    74,737.27x = 103,079.12 × 47,882.30
  4. Step 4: Simplify right side
    74,737.27x = 4,935,664,592.77
  5. Step 5: Solve for x
    x = 4,935,664,592.77/74,737.27
  6. Step 6: Final answer
    x = 66,040.20

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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.