Home / 87,236.93-120,377.40-48,988.73

Finding the Fourth Proportional to 87,236.93, 120,377.40 and 48,988.73

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Solution

The fourth proportional to 87,236.93, 120,377.40 and 48,988.73 is: 67,599.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,236.93 : 120,377.40 = 48,988.73 : x
  2. Step 2: Convert to fraction form
    87,236.93/120,377.40 = 48,988.73/x
  3. Step 3: Cross multiply
    87,236.93x = 120,377.40 × 48,988.73
  4. Step 4: Simplify right side
    87,236.93x = 5,897,135,946.70
  5. Step 5: Solve for x
    x = 5,897,135,946.70/87,236.93
  6. Step 6: Final answer
    x = 67,599.08

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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.