Home / 57,126.92-78,825.72-35,891.06

Finding the Fourth Proportional to 57,126.92, 78,825.72 and 35,891.06

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Solution

The fourth proportional to 57,126.92, 78,825.72 and 35,891.06 is: 49,523.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,126.92 : 78,825.72 = 35,891.06 : x
  2. Step 2: Convert to fraction form
    57,126.92/78,825.72 = 35,891.06/x
  3. Step 3: Cross multiply
    57,126.92x = 78,825.72 × 35,891.06
  4. Step 4: Simplify right side
    57,126.92x = 2,829,138,646.06
  5. Step 5: Solve for x
    x = 2,829,138,646.06/57,126.92
  6. Step 6: Final answer
    x = 49,523.74

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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.