Home / 80,212.28-110,691.60-44,401.52

Finding the Fourth Proportional to 80,212.28, 110,691.60 and 44,401.52

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Solution

The fourth proportional to 80,212.28, 110,691.60 and 44,401.52 is: 61,273.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,212.28 : 110,691.60 = 44,401.52 : x
  2. Step 2: Convert to fraction form
    80,212.28/110,691.60 = 44,401.52/x
  3. Step 3: Cross multiply
    80,212.28x = 110,691.60 × 44,401.52
  4. Step 4: Simplify right side
    80,212.28x = 4,914,875,291.23
  5. Step 5: Solve for x
    x = 4,914,875,291.23/80,212.28
  6. Step 6: Final answer
    x = 61,273.35

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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.