Home / 91,966.31-126,915.77-51,677.66

Finding the Fourth Proportional to 91,966.31, 126,915.77 and 51,677.66

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Solution

The fourth proportional to 91,966.31, 126,915.77 and 51,677.66 is: 71,316.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,966.31 : 126,915.77 = 51,677.66 : x
  2. Step 2: Convert to fraction form
    91,966.31/126,915.77 = 51,677.66/x
  3. Step 3: Cross multiply
    91,966.31x = 126,915.77 × 51,677.66
  4. Step 4: Simplify right side
    91,966.31x = 6,558,710,010.70
  5. Step 5: Solve for x
    x = 6,558,710,010.70/91,966.31
  6. Step 6: Final answer
    x = 71,316.44

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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.