Home / 87,624-120,925.44-49,901.76

Finding the Fourth Proportional to 87,624, 120,925.44 and 49,901.76

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Solution

The fourth proportional to 87,624, 120,925.44 and 49,901.76 is: 68,866.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,624 : 120,925.44 = 49,901.76 : x
  2. Step 2: Convert to fraction form
    87,624/120,925.44 = 49,901.76/x
  3. Step 3: Cross multiply
    87,624x = 120,925.44 × 49,901.76
  4. Step 4: Simplify right side
    87,624x = 6,034,392,284.77
  5. Step 5: Solve for x
    x = 6,034,392,284.77/87,624
  6. Step 6: Final answer
    x = 68,866.89

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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.