Home / 87,366.66-120,557.64-51,076.62

Finding the Fourth Proportional to 87,366.66, 120,557.64 and 51,076.62

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Solution

The fourth proportional to 87,366.66, 120,557.64 and 51,076.62 is: 70,480.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,366.66 : 120,557.64 = 51,076.62 : x
  2. Step 2: Convert to fraction form
    87,366.66/120,557.64 = 51,076.62/x
  3. Step 3: Cross multiply
    87,366.66x = 120,557.64 × 51,076.62
  4. Step 4: Simplify right side
    87,366.66x = 6,157,676,766.38
  5. Step 5: Solve for x
    x = 6,157,676,766.38/87,366.66
  6. Step 6: Final answer
    x = 70,480.85

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1.5x scale

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.