Home / 88,732.50-122,290.47-73,545.18

Finding the Fourth Proportional to 88,732.50, 122,290.47 and 73,545.18

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Solution

The fourth proportional to 88,732.50, 122,290.47 and 73,545.18 is: 101,359.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,732.50 : 122,290.47 = 73,545.18 : x
  2. Step 2: Convert to fraction form
    88,732.50/122,290.47 = 73,545.18/x
  3. Step 3: Cross multiply
    88,732.50x = 122,290.47 × 73,545.18
  4. Step 4: Simplify right side
    88,732.50x = 8,993,874,628.43
  5. Step 5: Solve for x
    x = 8,993,874,628.43/88,732.50
  6. Step 6: Final answer
    x = 101,359.42

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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.