Home / 113,572.10-170,358.15-54,377.30

Finding the Fourth Proportional to 113,572.10, 170,358.15 and 54,377.30

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Solution

The fourth proportional to 113,572.10, 170,358.15 and 54,377.30 is: 81,565.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,572.10 : 170,358.15 = 54,377.30 : x
  2. Step 2: Convert to fraction form
    113,572.10/170,358.15 = 54,377.30/x
  3. Step 3: Cross multiply
    113,572.10x = 170,358.15 × 54,377.30
  4. Step 4: Simplify right side
    113,572.10x = 9,263,616,230.00
  5. Step 5: Solve for x
    x = 9,263,616,230.00/113,572.10
  6. Step 6: Final answer
    x = 81,565.95

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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.