Home / 80,685.58-111,343.32-44,874.88

Finding the Fourth Proportional to 80,685.58, 111,343.32 and 44,874.88

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Solution

The fourth proportional to 80,685.58, 111,343.32 and 44,874.88 is: 61,925.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,685.58 : 111,343.32 = 44,874.88 : x
  2. Step 2: Convert to fraction form
    80,685.58/111,343.32 = 44,874.88/x
  3. Step 3: Cross multiply
    80,685.58x = 111,343.32 × 44,874.88
  4. Step 4: Simplify right side
    80,685.58x = 4,996,518,123.80
  5. Step 5: Solve for x
    x = 4,996,518,123.80/80,685.58
  6. Step 6: Final answer
    x = 61,925.79

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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.