Home / 67,708.47-101,635.20-57,305.64

Finding the Fourth Proportional to 67,708.47, 101,635.20 and 57,305.64

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Solution

The fourth proportional to 67,708.47, 101,635.20 and 57,305.64 is: 86,019.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,708.47 : 101,635.20 = 57,305.64 : x
  2. Step 2: Convert to fraction form
    67,708.47/101,635.20 = 57,305.64/x
  3. Step 3: Cross multiply
    67,708.47x = 101,635.20 × 57,305.64
  4. Step 4: Simplify right side
    67,708.47x = 5,824,270,182.53
  5. Step 5: Solve for x
    x = 5,824,270,182.53/67,708.47
  6. Step 6: Final answer
    x = 86,019.82

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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.