Home / 73,715.29-110,480.38-31,545.79

Finding the Fourth Proportional to 73,715.29, 110,480.38 and 31,545.79

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Solution

The fourth proportional to 73,715.29, 110,480.38 and 31,545.79 is: 47,279.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,715.29 : 110,480.38 = 31,545.79 : x
  2. Step 2: Convert to fraction form
    73,715.29/110,480.38 = 31,545.79/x
  3. Step 3: Cross multiply
    73,715.29x = 110,480.38 × 31,545.79
  4. Step 4: Simplify right side
    73,715.29x = 3,485,190,511.53
  5. Step 5: Solve for x
    x = 3,485,190,511.53/73,715.29
  6. Step 6: Final answer
    x = 47,279.07

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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.