Home / 86,742.34-119,691.21-49,002.82

Finding the Fourth Proportional to 86,742.34, 119,691.21 and 49,002.82

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Solution

The fourth proportional to 86,742.34, 119,691.21 and 49,002.82 is: 67,616.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,742.34 : 119,691.21 = 49,002.82 : x
  2. Step 2: Convert to fraction form
    86,742.34/119,691.21 = 49,002.82/x
  3. Step 3: Cross multiply
    86,742.34x = 119,691.21 × 49,002.82
  4. Step 4: Simplify right side
    86,742.34x = 5,865,206,819.21
  5. Step 5: Solve for x
    x = 5,865,206,819.21/86,742.34
  6. Step 6: Final answer
    x = 67,616.42

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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.