Home / 91,702.45-126,554.60-51,414.26

Finding the Fourth Proportional to 91,702.45, 126,554.60 and 51,414.26

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Solution

The fourth proportional to 91,702.45, 126,554.60 and 51,414.26 is: 70,954.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,702.45 : 126,554.60 = 51,414.26 : x
  2. Step 2: Convert to fraction form
    91,702.45/126,554.60 = 51,414.26/x
  3. Step 3: Cross multiply
    91,702.45x = 126,554.60 × 51,414.26
  4. Step 4: Simplify right side
    91,702.45x = 6,506,711,167.91
  5. Step 5: Solve for x
    x = 6,506,711,167.91/91,702.45
  6. Step 6: Final answer
    x = 70,954.61

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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.