Home / 72,545.13-108,815.16-29,849.02

Finding the Fourth Proportional to 72,545.13, 108,815.16 and 29,849.02

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Solution

The fourth proportional to 72,545.13, 108,815.16 and 29,849.02 is: 44,772.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,545.13 : 108,815.16 = 29,849.02 : x
  2. Step 2: Convert to fraction form
    72,545.13/108,815.16 = 29,849.02/x
  3. Step 3: Cross multiply
    72,545.13x = 108,815.16 × 29,849.02
  4. Step 4: Simplify right side
    72,545.13x = 3,248,025,887.14
  5. Step 5: Solve for x
    x = 3,248,025,887.14/72,545.13
  6. Step 6: Final answer
    x = 44,772.49

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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.