Home / 89,532.80-123,545.58-51,800

Finding the Fourth Proportional to 89,532.80, 123,545.58 and 51,800

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Solution

The fourth proportional to 89,532.80, 123,545.58 and 51,800 is: 71,478.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,532.80 : 123,545.58 = 51,800 : x
  2. Step 2: Convert to fraction form
    89,532.80/123,545.58 = 51,800/x
  3. Step 3: Cross multiply
    89,532.80x = 123,545.58 × 51,800
  4. Step 4: Simplify right side
    89,532.80x = 6,399,661,044
  5. Step 5: Solve for x
    x = 6,399,661,044/89,532.80
  6. Step 6: Final answer
    x = 71,478.40

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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.