Home / 89,063.20-133,616.40-62,819.20

Finding the Fourth Proportional to 89,063.20, 133,616.40 and 62,819.20

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Solution

The fourth proportional to 89,063.20, 133,616.40 and 62,819.20 is: 94,244.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,063.20 : 133,616.40 = 62,819.20 : x
  2. Step 2: Convert to fraction form
    89,063.20/133,616.40 = 62,819.20/x
  3. Step 3: Cross multiply
    89,063.20x = 133,616.40 × 62,819.20
  4. Step 4: Simplify right side
    89,063.20x = 8,393,675,354.88
  5. Step 5: Solve for x
    x = 8,393,675,354.88/89,063.20
  6. Step 6: Final answer
    x = 94,244.04

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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.