Home / 48,139.32-72,211.20-34,161.96

Finding the Fourth Proportional to 48,139.32, 72,211.20 and 34,161.96

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Solution

The fourth proportional to 48,139.32, 72,211.20 and 34,161.96 is: 51,244.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,139.32 : 72,211.20 = 34,161.96 : x
  2. Step 2: Convert to fraction form
    48,139.32/72,211.20 = 34,161.96/x
  3. Step 3: Cross multiply
    48,139.32x = 72,211.20 × 34,161.96
  4. Step 4: Simplify right side
    48,139.32x = 2,466,876,125.95
  5. Step 5: Solve for x
    x = 2,466,876,125.95/48,139.32
  6. Step 6: Final answer
    x = 51,244.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.