Home / 100,512.20-150,695.40-41,317.40

Finding the Fourth Proportional to 100,512.20, 150,695.40 and 41,317.40

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Solution

The fourth proportional to 100,512.20, 150,695.40 and 41,317.40 is: 61,946.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,512.20 : 150,695.40 = 41,317.40 : x
  2. Step 2: Convert to fraction form
    100,512.20/150,695.40 = 41,317.40/x
  3. Step 3: Cross multiply
    100,512.20x = 150,695.40 × 41,317.40
  4. Step 4: Simplify right side
    100,512.20x = 6,226,342,119.96
  5. Step 5: Solve for x
    x = 6,226,342,119.96/100,512.20
  6. Step 6: Final answer
    x = 61,946.13

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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.