Home / 87,426.46-120,667.59-55,589.14

Finding the Fourth Proportional to 87,426.46, 120,667.59 and 55,589.14

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Solution

The fourth proportional to 87,426.46, 120,667.59 and 55,589.14 is: 76,725.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,426.46 : 120,667.59 = 55,589.14 : x
  2. Step 2: Convert to fraction form
    87,426.46/120,667.59 = 55,589.14/x
  3. Step 3: Cross multiply
    87,426.46x = 120,667.59 × 55,589.14
  4. Step 4: Simplify right side
    87,426.46x = 6,707,807,553.97
  5. Step 5: Solve for x
    x = 6,707,807,553.97/87,426.46
  6. Step 6: Final answer
    x = 76,725.14

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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.