Home / 56,737.10-85,105.65-53,237.90

Finding the Fourth Proportional to 56,737.10, 85,105.65 and 53,237.90

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Solution

The fourth proportional to 56,737.10, 85,105.65 and 53,237.90 is: 79,856.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,737.10 : 85,105.65 = 53,237.90 : x
  2. Step 2: Convert to fraction form
    56,737.10/85,105.65 = 53,237.90/x
  3. Step 3: Cross multiply
    56,737.10x = 85,105.65 × 53,237.90
  4. Step 4: Simplify right side
    56,737.10x = 4,530,846,084.14
  5. Step 5: Solve for x
    x = 4,530,846,084.14/56,737.10
  6. Step 6: Final answer
    x = 79,856.85

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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.