Home / 87,204.18-120,343.29-48,965.86

Finding the Fourth Proportional to 87,204.18, 120,343.29 and 48,965.86

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Solution

The fourth proportional to 87,204.18, 120,343.29 and 48,965.86 is: 67,573.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,204.18 : 120,343.29 = 48,965.86 : x
  2. Step 2: Convert to fraction form
    87,204.18/120,343.29 = 48,965.86/x
  3. Step 3: Cross multiply
    87,204.18x = 120,343.29 × 48,965.86
  4. Step 4: Simplify right side
    87,204.18x = 5,892,712,656.89
  5. Step 5: Solve for x
    x = 5,892,712,656.89/87,204.18
  6. Step 6: Final answer
    x = 67,573.74

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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.