Home / 89,545.68-123,566.04-51,812.64

Finding the Fourth Proportional to 89,545.68, 123,566.04 and 51,812.64

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Solution

The fourth proportional to 89,545.68, 123,566.04 and 51,812.64 is: 71,497.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,545.68 : 123,566.04 = 51,812.64 : x
  2. Step 2: Convert to fraction form
    89,545.68/123,566.04 = 51,812.64/x
  3. Step 3: Cross multiply
    89,545.68x = 123,566.04 × 51,812.64
  4. Step 4: Simplify right side
    89,545.68x = 6,402,282,746.75
  5. Step 5: Solve for x
    x = 6,402,282,746.75/89,545.68
  6. Step 6: Final answer
    x = 71,497.39

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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.