Home / 88,681.31-122,382.80-48,397.66

Finding the Fourth Proportional to 88,681.31, 122,382.80 and 48,397.66

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Solution

The fourth proportional to 88,681.31, 122,382.80 and 48,397.66 is: 66,790.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,681.31 : 122,382.80 = 48,397.66 : x
  2. Step 2: Convert to fraction form
    88,681.31/122,382.80 = 48,397.66/x
  3. Step 3: Cross multiply
    88,681.31x = 122,382.80 × 48,397.66
  4. Step 4: Simplify right side
    88,681.31x = 5,923,040,777.79
  5. Step 5: Solve for x
    x = 5,923,040,777.79/88,681.31
  6. Step 6: Final answer
    x = 66,790.18

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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.