Home / 88,011.28-131,964.19-28,013.84

Finding the Fourth Proportional to 88,011.28, 131,964.19 and 28,013.84

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Solution

The fourth proportional to 88,011.28, 131,964.19 and 28,013.84 is: 42,003.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,011.28 : 131,964.19 = 28,013.84 : x
  2. Step 2: Convert to fraction form
    88,011.28/131,964.19 = 28,013.84/x
  3. Step 3: Cross multiply
    88,011.28x = 131,964.19 × 28,013.84
  4. Step 4: Simplify right side
    88,011.28x = 3,696,823,044.57
  5. Step 5: Solve for x
    x = 3,696,823,044.57/88,011.28
  6. Step 6: Final answer
    x = 42,003.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.