Home / 87,435.34-120,657.27-49,195.69

Finding the Fourth Proportional to 87,435.34, 120,657.27 and 49,195.69

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Solution

The fourth proportional to 87,435.34, 120,657.27 and 49,195.69 is: 67,888.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,435.34 : 120,657.27 = 49,195.69 : x
  2. Step 2: Convert to fraction form
    87,435.34/120,657.27 = 49,195.69/x
  3. Step 3: Cross multiply
    87,435.34x = 120,657.27 × 49,195.69
  4. Step 4: Simplify right side
    87,435.34x = 5,935,817,651.17
  5. Step 5: Solve for x
    x = 5,935,817,651.17/87,435.34
  6. Step 6: Final answer
    x = 67,888.08

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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.