Home / 89,538.57-123,500.01-76,016.76

Finding the Fourth Proportional to 89,538.57, 123,500.01 and 76,016.76

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Solution

The fourth proportional to 89,538.57, 123,500.01 and 76,016.76 is: 104,849.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,538.57 : 123,500.01 = 76,016.76 : x
  2. Step 2: Convert to fraction form
    89,538.57/123,500.01 = 76,016.76/x
  3. Step 3: Cross multiply
    89,538.57x = 123,500.01 × 76,016.76
  4. Step 4: Simplify right side
    89,538.57x = 9,388,070,620.17
  5. Step 5: Solve for x
    x = 9,388,070,620.17/89,538.57
  6. Step 6: Final answer
    x = 104,849.46

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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.