Home / 52,660.20-72,672.47-31,451.70

Finding the Fourth Proportional to 52,660.20, 72,672.47 and 31,451.70

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Solution

The fourth proportional to 52,660.20, 72,672.47 and 31,451.70 is: 43,404.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,660.20 : 72,672.47 = 31,451.70 : x
  2. Step 2: Convert to fraction form
    52,660.20/72,672.47 = 31,451.70/x
  3. Step 3: Cross multiply
    52,660.20x = 72,672.47 × 31,451.70
  4. Step 4: Simplify right side
    52,660.20x = 2,285,672,724.70
  5. Step 5: Solve for x
    x = 2,285,672,724.70/52,660.20
  6. Step 6: Final answer
    x = 43,404.18

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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.