Home / 89,577.40-123,553.28-76,055.38

Finding the Fourth Proportional to 89,577.40, 123,553.28 and 76,055.38

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Solution

The fourth proportional to 89,577.40, 123,553.28 and 76,055.38 is: 104,902.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,577.40 : 123,553.28 = 76,055.38 : x
  2. Step 2: Convert to fraction form
    89,577.40/123,553.28 = 76,055.38/x
  3. Step 3: Cross multiply
    89,577.40x = 123,553.28 × 76,055.38
  4. Step 4: Simplify right side
    89,577.40x = 9,396,891,660.65
  5. Step 5: Solve for x
    x = 9,396,891,660.65/89,577.40
  6. Step 6: Final answer
    x = 104,902.48

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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.