Home / 83,639.46-125,385.24-64,005.66

Finding the Fourth Proportional to 83,639.46, 125,385.24 and 64,005.66

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Solution

The fourth proportional to 83,639.46, 125,385.24 and 64,005.66 is: 95,951.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,639.46 : 125,385.24 = 64,005.66 : x
  2. Step 2: Convert to fraction form
    83,639.46/125,385.24 = 64,005.66/x
  3. Step 3: Cross multiply
    83,639.46x = 125,385.24 × 64,005.66
  4. Step 4: Simplify right side
    83,639.46x = 8,025,365,040.46
  5. Step 5: Solve for x
    x = 8,025,365,040.46/83,639.46
  6. Step 6: Final answer
    x = 95,951.90

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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.