Home / 87,113.50-120,253.35-58,857.46

Finding the Fourth Proportional to 87,113.50, 120,253.35 and 58,857.46

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Solution

The fourth proportional to 87,113.50, 120,253.35 and 58,857.46 is: 81,248.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,113.50 : 120,253.35 = 58,857.46 : x
  2. Step 2: Convert to fraction form
    87,113.50/120,253.35 = 58,857.46/x
  3. Step 3: Cross multiply
    87,113.50x = 120,253.35 × 58,857.46
  4. Step 4: Simplify right side
    87,113.50x = 7,077,806,737.49
  5. Step 5: Solve for x
    x = 7,077,806,737.49/87,113.50
  6. Step 6: Final answer
    x = 81,248.10

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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.