Home / 80,685.02-111,344.70-44,385.68

Finding the Fourth Proportional to 80,685.02, 111,344.70 and 44,385.68

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Solution

The fourth proportional to 80,685.02, 111,344.70 and 44,385.68 is: 61,251.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,685.02 : 111,344.70 = 44,385.68 : x
  2. Step 2: Convert to fraction form
    80,685.02/111,344.70 = 44,385.68/x
  3. Step 3: Cross multiply
    80,685.02x = 111,344.70 × 44,385.68
  4. Step 4: Simplify right side
    80,685.02x = 4,942,110,223.90
  5. Step 5: Solve for x
    x = 4,942,110,223.90/80,685.02
  6. Step 6: Final answer
    x = 61,251.89

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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.