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Finding the Fourth Proportional to 91,481.76, 126,220.83 and 52,710.09

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Solution

The fourth proportional to 91,481.76, 126,220.83 and 52,710.09 is: 72,726.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,481.76 : 126,220.83 = 52,710.09 : x
  2. Step 2: Convert to fraction form
    91,481.76/126,220.83 = 52,710.09/x
  3. Step 3: Cross multiply
    91,481.76x = 126,220.83 × 52,710.09
  4. Step 4: Simplify right side
    91,481.76x = 6,653,111,644.67
  5. Step 5: Solve for x
    x = 6,653,111,644.67/91,481.76
  6. Step 6: Final answer
    x = 72,726.10

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1.5x scale

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.