Home / 91,383.50-126,123.82-53,650.46

Finding the Fourth Proportional to 91,383.50, 126,123.82 and 53,650.46

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Solution

The fourth proportional to 91,383.50, 126,123.82 and 53,650.46 is: 74,046.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,383.50 : 126,123.82 = 53,650.46 : x
  2. Step 2: Convert to fraction form
    91,383.50/126,123.82 = 53,650.46/x
  3. Step 3: Cross multiply
    91,383.50x = 126,123.82 × 53,650.46
  4. Step 4: Simplify right side
    91,383.50x = 6,766,600,959.96
  5. Step 5: Solve for x
    x = 6,766,600,959.96/91,383.50
  6. Step 6: Final answer
    x = 74,046.20

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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.