Home / 87,417.44-120,635.76-49,691.68

Finding the Fourth Proportional to 87,417.44, 120,635.76 and 49,691.68

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Solution

The fourth proportional to 87,417.44, 120,635.76 and 49,691.68 is: 68,574.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,417.44 : 120,635.76 = 49,691.68 : x
  2. Step 2: Convert to fraction form
    87,417.44/120,635.76 = 49,691.68/x
  3. Step 3: Cross multiply
    87,417.44x = 120,635.76 × 49,691.68
  4. Step 4: Simplify right side
    87,417.44x = 5,994,593,582.48
  5. Step 5: Solve for x
    x = 5,994,593,582.48/87,417.44
  6. Step 6: Final answer
    x = 68,574.34

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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.