Home / 83,062.20-114,582.18-56,213.70

Finding the Fourth Proportional to 83,062.20, 114,582.18 and 56,213.70

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Solution

The fourth proportional to 83,062.20, 114,582.18 and 56,213.70 is: 77,545.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,062.20 : 114,582.18 = 56,213.70 : x
  2. Step 2: Convert to fraction form
    83,062.20/114,582.18 = 56,213.70/x
  3. Step 3: Cross multiply
    83,062.20x = 114,582.18 × 56,213.70
  4. Step 4: Simplify right side
    83,062.20x = 6,441,088,291.87
  5. Step 5: Solve for x
    x = 6,441,088,291.87/83,062.20
  6. Step 6: Final answer
    x = 77,545.36

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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.