Home / 79,044.12-109,084.38-45,520.92

Finding the Fourth Proportional to 79,044.12, 109,084.38 and 45,520.92

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Solution

The fourth proportional to 79,044.12, 109,084.38 and 45,520.92 is: 62,820.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,044.12 : 109,084.38 = 45,520.92 : x
  2. Step 2: Convert to fraction form
    79,044.12/109,084.38 = 45,520.92/x
  3. Step 3: Cross multiply
    79,044.12x = 109,084.38 × 45,520.92
  4. Step 4: Simplify right side
    79,044.12x = 4,965,621,335.23
  5. Step 5: Solve for x
    x = 4,965,621,335.23/79,044.12
  6. Step 6: Final answer
    x = 62,820.88

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1.5x scale

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.