Home / 87,082.58-130,919.15-69,537.38

Finding the Fourth Proportional to 87,082.58, 130,919.15 and 69,537.38

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Solution

The fourth proportional to 87,082.58, 130,919.15 and 69,537.38 is: 104,541.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,082.58 : 130,919.15 = 69,537.38 : x
  2. Step 2: Convert to fraction form
    87,082.58/130,919.15 = 69,537.38/x
  3. Step 3: Cross multiply
    87,082.58x = 130,919.15 × 69,537.38
  4. Step 4: Simplify right side
    87,082.58x = 9,103,774,202.07
  5. Step 5: Solve for x
    x = 9,103,774,202.07/87,082.58
  6. Step 6: Final answer
    x = 104,541.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.