Home / 83,157.56-114,757.44-45,431.82

Finding the Fourth Proportional to 83,157.56, 114,757.44 and 45,431.82

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Solution

The fourth proportional to 83,157.56, 114,757.44 and 45,431.82 is: 62,695.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,157.56 : 114,757.44 = 45,431.82 : x
  2. Step 2: Convert to fraction form
    83,157.56/114,757.44 = 45,431.82/x
  3. Step 3: Cross multiply
    83,157.56x = 114,757.44 × 45,431.82
  4. Step 4: Simplify right side
    83,157.56x = 5,213,639,357.74
  5. Step 5: Solve for x
    x = 5,213,639,357.74/83,157.56
  6. Step 6: Final answer
    x = 62,695.92

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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.