Home / 52,406.10-72,318.78-28,532.61

Finding the Fourth Proportional to 52,406.10, 72,318.78 and 28,532.61

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Solution

The fourth proportional to 52,406.10, 72,318.78 and 28,532.61 is: 39,374.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,406.10 : 72,318.78 = 28,532.61 : x
  2. Step 2: Convert to fraction form
    52,406.10/72,318.78 = 28,532.61/x
  3. Step 3: Cross multiply
    52,406.10x = 72,318.78 × 28,532.61
  4. Step 4: Simplify right side
    52,406.10x = 2,063,443,545.42
  5. Step 5: Solve for x
    x = 2,063,443,545.42/52,406.10
  6. Step 6: Final answer
    x = 39,374.11

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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.