Home / 89,115.28-122,977.48-52,841.14

Finding the Fourth Proportional to 89,115.28, 122,977.48 and 52,841.14

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Solution

The fourth proportional to 89,115.28, 122,977.48 and 52,841.14 is: 72,919.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,115.28 : 122,977.48 = 52,841.14 : x
  2. Step 2: Convert to fraction form
    89,115.28/122,977.48 = 52,841.14/x
  3. Step 3: Cross multiply
    89,115.28x = 122,977.48 × 52,841.14
  4. Step 4: Simplify right side
    89,115.28x = 6,498,270,237.53
  5. Step 5: Solve for x
    x = 6,498,270,237.53/89,115.28
  6. Step 6: Final answer
    x = 72,919.82

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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.