Home / 84,433.10-126,633.45-25,270.70

Finding the Fourth Proportional to 84,433.10, 126,633.45 and 25,270.70

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Solution

The fourth proportional to 84,433.10, 126,633.45 and 25,270.70 is: 37,901.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,433.10 : 126,633.45 = 25,270.70 : x
  2. Step 2: Convert to fraction form
    84,433.10/126,633.45 = 25,270.70/x
  3. Step 3: Cross multiply
    84,433.10x = 126,633.45 × 25,270.70
  4. Step 4: Simplify right side
    84,433.10x = 3,200,115,924.92
  5. Step 5: Solve for x
    x = 3,200,115,924.92/84,433.10
  6. Step 6: Final answer
    x = 37,901.20

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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.