Home / 62,137.87-85,688.71-38,259.90

Finding the Fourth Proportional to 62,137.87, 85,688.71 and 38,259.90

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Solution

The fourth proportional to 62,137.87, 85,688.71 and 38,259.90 is: 52,760.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,137.87 : 85,688.71 = 38,259.90 : x
  2. Step 2: Convert to fraction form
    62,137.87/85,688.71 = 38,259.90/x
  3. Step 3: Cross multiply
    62,137.87x = 85,688.71 × 38,259.90
  4. Step 4: Simplify right side
    62,137.87x = 3,278,441,380.08
  5. Step 5: Solve for x
    x = 3,278,441,380.08/62,137.87
  6. Step 6: Final answer
    x = 52,760.76

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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.