Home / 87,037.68-120,112.30-54,793.63

Finding the Fourth Proportional to 87,037.68, 120,112.30 and 54,793.63

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Solution

The fourth proportional to 87,037.68, 120,112.30 and 54,793.63 is: 75,615.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,037.68 : 120,112.30 = 54,793.63 : x
  2. Step 2: Convert to fraction form
    87,037.68/120,112.30 = 54,793.63/x
  3. Step 3: Cross multiply
    87,037.68x = 120,112.30 × 54,793.63
  4. Step 4: Simplify right side
    87,037.68x = 6,581,389,211.77
  5. Step 5: Solve for x
    x = 6,581,389,211.77/87,037.68
  6. Step 6: Final answer
    x = 75,615.40

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.