Home / 56,545.11-78,033.24-31,053.87

Finding the Fourth Proportional to 56,545.11, 78,033.24 and 31,053.87

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Solution

The fourth proportional to 56,545.11, 78,033.24 and 31,053.87 is: 42,854.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,545.11 : 78,033.24 = 31,053.87 : x
  2. Step 2: Convert to fraction form
    56,545.11/78,033.24 = 31,053.87/x
  3. Step 3: Cross multiply
    56,545.11x = 78,033.24 × 31,053.87
  4. Step 4: Simplify right side
    56,545.11x = 2,423,234,090.64
  5. Step 5: Solve for x
    x = 2,423,234,090.64/56,545.11
  6. Step 6: Final answer
    x = 42,854.88

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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.