Home / 86,504.28-129,756.51-24,174.78

Finding the Fourth Proportional to 86,504.28, 129,756.51 and 24,174.78

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Solution

The fourth proportional to 86,504.28, 129,756.51 and 24,174.78 is: 36,262.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,504.28 : 129,756.51 = 24,174.78 : x
  2. Step 2: Convert to fraction form
    86,504.28/129,756.51 = 24,174.78/x
  3. Step 3: Cross multiply
    86,504.28x = 129,756.51 × 24,174.78
  4. Step 4: Simplify right side
    86,504.28x = 3,136,835,082.82
  5. Step 5: Solve for x
    x = 3,136,835,082.82/86,504.28
  6. Step 6: Final answer
    x = 36,262.20

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1.5x scale

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.