Home / 89,015.68-122,841.12-48,179.76

Finding the Fourth Proportional to 89,015.68, 122,841.12 and 48,179.76

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Solution

The fourth proportional to 89,015.68, 122,841.12 and 48,179.76 is: 66,487.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,015.68 : 122,841.12 = 48,179.76 : x
  2. Step 2: Convert to fraction form
    89,015.68/122,841.12 = 48,179.76/x
  3. Step 3: Cross multiply
    89,015.68x = 122,841.12 × 48,179.76
  4. Step 4: Simplify right side
    89,015.68x = 5,918,455,679.73
  5. Step 5: Solve for x
    x = 5,918,455,679.73/89,015.68
  6. Step 6: Final answer
    x = 66,487.79

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1.5x scale

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.