Home / 91,580.48-126,396.30-62,876.66

Finding the Fourth Proportional to 91,580.48, 126,396.30 and 62,876.66

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Solution

The fourth proportional to 91,580.48, 126,396.30 and 62,876.66 is: 86,780.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,580.48 : 126,396.30 = 62,876.66 : x
  2. Step 2: Convert to fraction form
    91,580.48/126,396.30 = 62,876.66/x
  3. Step 3: Cross multiply
    91,580.48x = 126,396.30 × 62,876.66
  4. Step 4: Simplify right side
    91,580.48x = 7,947,377,180.36
  5. Step 5: Solve for x
    x = 7,947,377,180.36/91,580.48
  6. Step 6: Final answer
    x = 86,780.25

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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.