Home / 89,226.30-123,132.47-48,940.39

Finding the Fourth Proportional to 89,226.30, 123,132.47 and 48,940.39

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Solution

The fourth proportional to 89,226.30, 123,132.47 and 48,940.39 is: 67,537.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,226.30 : 123,132.47 = 48,940.39 : x
  2. Step 2: Convert to fraction form
    89,226.30/123,132.47 = 48,940.39/x
  3. Step 3: Cross multiply
    89,226.30x = 123,132.47 × 48,940.39
  4. Step 4: Simplify right side
    89,226.30x = 6,026,151,103.46
  5. Step 5: Solve for x
    x = 6,026,151,103.46/89,226.30
  6. Step 6: Final answer
    x = 67,537.83

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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.