Home / 78,512.32-108,344.68-44,523.91

Finding the Fourth Proportional to 78,512.32, 108,344.68 and 44,523.91

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Solution

The fourth proportional to 78,512.32, 108,344.68 and 44,523.91 is: 61,441.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,512.32 : 108,344.68 = 44,523.91 : x
  2. Step 2: Convert to fraction form
    78,512.32/108,344.68 = 44,523.91/x
  3. Step 3: Cross multiply
    78,512.32x = 108,344.68 × 44,523.91
  4. Step 4: Simplify right side
    78,512.32x = 4,823,928,781.30
  5. Step 5: Solve for x
    x = 4,823,928,781.30/78,512.32
  6. Step 6: Final answer
    x = 61,441.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.