Home / 89,519.73-123,534.75-49,233.48

Finding the Fourth Proportional to 89,519.73, 123,534.75 and 49,233.48

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Solution

The fourth proportional to 89,519.73, 123,534.75 and 49,233.48 is: 67,940.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,519.73 : 123,534.75 = 49,233.48 : x
  2. Step 2: Convert to fraction form
    89,519.73/123,534.75 = 49,233.48/x
  3. Step 3: Cross multiply
    89,519.73x = 123,534.75 × 49,233.48
  4. Step 4: Simplify right side
    89,519.73x = 6,082,045,643.43
  5. Step 5: Solve for x
    x = 6,082,045,643.43/89,519.73
  6. Step 6: Final answer
    x = 67,940.84

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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.