Home / 86,715.76-130,082.30-23,536.90

Finding the Fourth Proportional to 86,715.76, 130,082.30 and 23,536.90

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Solution

The fourth proportional to 86,715.76, 130,082.30 and 23,536.90 is: 35,307.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,715.76 : 130,082.30 = 23,536.90 : x
  2. Step 2: Convert to fraction form
    86,715.76/130,082.30 = 23,536.90/x
  3. Step 3: Cross multiply
    86,715.76x = 130,082.30 × 23,536.90
  4. Step 4: Simplify right side
    86,715.76x = 3,061,734,086.87
  5. Step 5: Solve for x
    x = 3,061,734,086.87/86,715.76
  6. Step 6: Final answer
    x = 35,307.70

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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.