Home / 99,545.87-137,371.23-54,224.66

Finding the Fourth Proportional to 99,545.87, 137,371.23 and 54,224.66

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Solution

The fourth proportional to 99,545.87, 137,371.23 and 54,224.66 is: 74,828.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,545.87 : 137,371.23 = 54,224.66 : x
  2. Step 2: Convert to fraction form
    99,545.87/137,371.23 = 54,224.66/x
  3. Step 3: Cross multiply
    99,545.87x = 137,371.23 × 54,224.66
  4. Step 4: Simplify right side
    99,545.87x = 7,448,907,553.68
  5. Step 5: Solve for x
    x = 7,448,907,553.68/99,545.87
  6. Step 6: Final answer
    x = 74,828.90

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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.