Home / 87,534.64-120,797.70-51,737.56

Finding the Fourth Proportional to 87,534.64, 120,797.70 and 51,737.56

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Solution

The fourth proportional to 87,534.64, 120,797.70 and 51,737.56 is: 71,397.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,534.64 : 120,797.70 = 51,737.56 : x
  2. Step 2: Convert to fraction form
    87,534.64/120,797.70 = 51,737.56/x
  3. Step 3: Cross multiply
    87,534.64x = 120,797.70 × 51,737.56
  4. Step 4: Simplify right side
    87,534.64x = 6,249,778,251.61
  5. Step 5: Solve for x
    x = 6,249,778,251.61/87,534.64
  6. Step 6: Final answer
    x = 71,397.77

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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.