Home / 112,941.24-169,427.46-38,082.78

Finding the Fourth Proportional to 112,941.24, 169,427.46 and 38,082.78

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Solution

The fourth proportional to 112,941.24, 169,427.46 and 38,082.78 is: 57,129.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,941.24 : 169,427.46 = 38,082.78 : x
  2. Step 2: Convert to fraction form
    112,941.24/169,427.46 = 38,082.78/x
  3. Step 3: Cross multiply
    112,941.24x = 169,427.46 × 38,082.78
  4. Step 4: Simplify right side
    112,941.24x = 6,452,268,685.14
  5. Step 5: Solve for x
    x = 6,452,268,685.14/112,941.24
  6. Step 6: Final answer
    x = 57,129.43

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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.