Home / 88,939.15-122,734.71-48,651.91

Finding the Fourth Proportional to 88,939.15, 122,734.71 and 48,651.91

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Solution

The fourth proportional to 88,939.15, 122,734.71 and 48,651.91 is: 67,138.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,939.15 : 122,734.71 = 48,651.91 : x
  2. Step 2: Convert to fraction form
    88,939.15/122,734.71 = 48,651.91/x
  3. Step 3: Cross multiply
    88,939.15x = 122,734.71 × 48,651.91
  4. Step 4: Simplify right side
    88,939.15x = 5,971,278,064.80
  5. Step 5: Solve for x
    x = 5,971,278,064.80/88,939.15
  6. Step 6: Final answer
    x = 67,138.92

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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.