Home / 113,432.91-170,149.37-30,324.75

Finding the Fourth Proportional to 113,432.91, 170,149.37 and 30,324.75

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Solution

The fourth proportional to 113,432.91, 170,149.37 and 30,324.75 is: 45,487.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,432.91 : 170,149.37 = 30,324.75 : x
  2. Step 2: Convert to fraction form
    113,432.91/170,149.37 = 30,324.75/x
  3. Step 3: Cross multiply
    113,432.91x = 170,149.37 × 30,324.75
  4. Step 4: Simplify right side
    113,432.91x = 5,159,736,956.28
  5. Step 5: Solve for x
    x = 5,159,736,956.28/113,432.91
  6. Step 6: Final answer
    x = 45,487.13

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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.