Home / 87,358.64-120,555.28-49,634.96

Finding the Fourth Proportional to 87,358.64, 120,555.28 and 49,634.96

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Solution

The fourth proportional to 87,358.64, 120,555.28 and 49,634.96 is: 68,496.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,358.64 : 120,555.28 = 49,634.96 : x
  2. Step 2: Convert to fraction form
    87,358.64/120,555.28 = 49,634.96/x
  3. Step 3: Cross multiply
    87,358.64x = 120,555.28 × 49,634.96
  4. Step 4: Simplify right side
    87,358.64x = 5,983,756,500.59
  5. Step 5: Solve for x
    x = 5,983,756,500.59/87,358.64
  6. Step 6: Final answer
    x = 68,496.45

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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.