Home / 91,770.30-126,667.78-59,938.52

Finding the Fourth Proportional to 91,770.30, 126,667.78 and 59,938.52

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Solution

The fourth proportional to 91,770.30, 126,667.78 and 59,938.52 is: 82,731.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,770.30 : 126,667.78 = 59,938.52 : x
  2. Step 2: Convert to fraction form
    91,770.30/126,667.78 = 59,938.52/x
  3. Step 3: Cross multiply
    91,770.30x = 126,667.78 × 59,938.52
  4. Step 4: Simplify right side
    91,770.30x = 7,592,278,481.70
  5. Step 5: Solve for x
    x = 7,592,278,481.70/91,770.30
  6. Step 6: Final answer
    x = 82,731.32

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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.