Home / 102,581.19-153,856.38-32,451.39

Finding the Fourth Proportional to 102,581.19, 153,856.38 and 32,451.39

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Solution

The fourth proportional to 102,581.19, 153,856.38 and 32,451.39 is: 48,672.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,581.19 : 153,856.38 = 32,451.39 : x
  2. Step 2: Convert to fraction form
    102,581.19/153,856.38 = 32,451.39/x
  3. Step 3: Cross multiply
    102,581.19x = 153,856.38 × 32,451.39
  4. Step 4: Simplify right side
    102,581.19x = 4,992,853,391.37
  5. Step 5: Solve for x
    x = 4,992,853,391.37/102,581.19
  6. Step 6: Final answer
    x = 48,672.21

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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.