Home / 89,854.68-123,992.46-52,131.36

Finding the Fourth Proportional to 89,854.68, 123,992.46 and 52,131.36

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Solution

The fourth proportional to 89,854.68, 123,992.46 and 52,131.36 is: 71,937.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,854.68 : 123,992.46 = 52,131.36 : x
  2. Step 2: Convert to fraction form
    89,854.68/123,992.46 = 52,131.36/x
  3. Step 3: Cross multiply
    89,854.68x = 123,992.46 × 52,131.36
  4. Step 4: Simplify right side
    89,854.68x = 6,463,895,569.55
  5. Step 5: Solve for x
    x = 6,463,895,569.55/89,854.68
  6. Step 6: Final answer
    x = 71,937.22

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1.5x scale

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.