Home / 87,476.28-120,696.66-64,867.56

Finding the Fourth Proportional to 87,476.28, 120,696.66 and 64,867.56

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Solution

The fourth proportional to 87,476.28, 120,696.66 and 64,867.56 is: 89,501.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,476.28 : 120,696.66 = 64,867.56 : x
  2. Step 2: Convert to fraction form
    87,476.28/120,696.66 = 64,867.56/x
  3. Step 3: Cross multiply
    87,476.28x = 120,696.66 × 64,867.56
  4. Step 4: Simplify right side
    87,476.28x = 7,829,297,834.35
  5. Step 5: Solve for x
    x = 7,829,297,834.35/87,476.28
  6. Step 6: Final answer
    x = 89,501.95

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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.