Home / 87,344.84-120,540.15-49,116.42

Finding the Fourth Proportional to 87,344.84, 120,540.15 and 49,116.42

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Solution

The fourth proportional to 87,344.84, 120,540.15 and 49,116.42 is: 67,783.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,344.84 : 120,540.15 = 49,116.42 : x
  2. Step 2: Convert to fraction form
    87,344.84/120,540.15 = 49,116.42/x
  3. Step 3: Cross multiply
    87,344.84x = 120,540.15 × 49,116.42
  4. Step 4: Simplify right side
    87,344.84x = 5,920,500,634.26
  5. Step 5: Solve for x
    x = 5,920,500,634.26/87,344.84
  6. Step 6: Final answer
    x = 67,783.07

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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.