Home / 113,749.92-170,624.85-61,086.96

Finding the Fourth Proportional to 113,749.92, 170,624.85 and 61,086.96

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Solution

The fourth proportional to 113,749.92, 170,624.85 and 61,086.96 is: 91,630.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,749.92 : 170,624.85 = 61,086.96 : x
  2. Step 2: Convert to fraction form
    113,749.92/170,624.85 = 61,086.96/x
  3. Step 3: Cross multiply
    113,749.92x = 170,624.85 × 61,086.96
  4. Step 4: Simplify right side
    113,749.92x = 10,422,953,386.96
  5. Step 5: Solve for x
    x = 10,422,953,386.96/113,749.92
  6. Step 6: Final answer
    x = 91,630.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.