Home / 54,520.92-81,780.40-29,718.83

Finding the Fourth Proportional to 54,520.92, 81,780.40 and 29,718.83

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Solution

The fourth proportional to 54,520.92, 81,780.40 and 29,718.83 is: 44,577.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,520.92 : 81,780.40 = 29,718.83 : x
  2. Step 2: Convert to fraction form
    54,520.92/81,780.40 = 29,718.83/x
  3. Step 3: Cross multiply
    54,520.92x = 81,780.40 × 29,718.83
  4. Step 4: Simplify right side
    54,520.92x = 2,430,417,321.73
  5. Step 5: Solve for x
    x = 2,430,417,321.73/54,520.92
  6. Step 6: Final answer
    x = 44,577.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.