Home / 91,869.52-126,787.26-51,585.97

Finding the Fourth Proportional to 91,869.52, 126,787.26 and 51,585.97

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Solution

The fourth proportional to 91,869.52, 126,787.26 and 51,585.97 is: 71,192.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,869.52 : 126,787.26 = 51,585.97 : x
  2. Step 2: Convert to fraction form
    91,869.52/126,787.26 = 51,585.97/x
  3. Step 3: Cross multiply
    91,869.52x = 126,787.26 × 51,585.97
  4. Step 4: Simplify right side
    91,869.52x = 6,540,443,790.74
  5. Step 5: Solve for x
    x = 6,540,443,790.74/91,869.52
  6. Step 6: Final answer
    x = 71,192.75

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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.