Home / 56,913.20-85,446.60-36,177.20

Finding the Fourth Proportional to 56,913.20, 85,446.60 and 36,177.20

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Solution

The fourth proportional to 56,913.20, 85,446.60 and 36,177.20 is: 54,314.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,913.20 : 85,446.60 = 36,177.20 : x
  2. Step 2: Convert to fraction form
    56,913.20/85,446.60 = 36,177.20/x
  3. Step 3: Cross multiply
    56,913.20x = 85,446.60 × 36,177.20
  4. Step 4: Simplify right side
    56,913.20x = 3,091,218,737.52
  5. Step 5: Solve for x
    x = 3,091,218,737.52/56,913.20
  6. Step 6: Final answer
    x = 54,314.62

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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.