Home / 87,207.28-120,344.51-48,967.13

Finding the Fourth Proportional to 87,207.28, 120,344.51 and 48,967.13

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Solution

The fourth proportional to 87,207.28, 120,344.51 and 48,967.13 is: 67,573.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,207.28 : 120,344.51 = 48,967.13 : x
  2. Step 2: Convert to fraction form
    87,207.28/120,344.51 = 48,967.13/x
  3. Step 3: Cross multiply
    87,207.28x = 120,344.51 × 48,967.13
  4. Step 4: Simplify right side
    87,207.28x = 5,892,924,419.40
  5. Step 5: Solve for x
    x = 5,892,924,419.40/87,207.28
  6. Step 6: Final answer
    x = 67,573.77

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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.