Home / 88,819.88-122,626.10-57,044.79

Finding the Fourth Proportional to 88,819.88, 122,626.10 and 57,044.79

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Solution

The fourth proportional to 88,819.88, 122,626.10 and 57,044.79 is: 78,756.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,819.88 : 122,626.10 = 57,044.79 : x
  2. Step 2: Convert to fraction form
    88,819.88/122,626.10 = 57,044.79/x
  3. Step 3: Cross multiply
    88,819.88x = 122,626.10 × 57,044.79
  4. Step 4: Simplify right side
    88,819.88x = 6,995,180,265.63
  5. Step 5: Solve for x
    x = 6,995,180,265.63/88,819.88
  6. Step 6: Final answer
    x = 78,756.93

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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.