Home / 56,545.08-78,046.22-32,686.62

Finding the Fourth Proportional to 56,545.08, 78,046.22 and 32,686.62

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Solution

The fourth proportional to 56,545.08, 78,046.22 and 32,686.62 is: 45,115.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,545.08 : 78,046.22 = 32,686.62 : x
  2. Step 2: Convert to fraction form
    56,545.08/78,046.22 = 32,686.62/x
  3. Step 3: Cross multiply
    56,545.08x = 78,046.22 × 32,686.62
  4. Step 4: Simplify right side
    56,545.08x = 2,551,067,135.58
  5. Step 5: Solve for x
    x = 2,551,067,135.58/56,545.08
  6. Step 6: Final answer
    x = 45,115.63

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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.