Home / 80,680.68-111,337.38-44,870.58

Finding the Fourth Proportional to 80,680.68, 111,337.38 and 44,870.58

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Solution

The fourth proportional to 80,680.68, 111,337.38 and 44,870.58 is: 61,920.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,680.68 : 111,337.38 = 44,870.58 : x
  2. Step 2: Convert to fraction form
    80,680.68/111,337.38 = 44,870.58/x
  3. Step 3: Cross multiply
    80,680.68x = 111,337.38 × 44,870.58
  4. Step 4: Simplify right side
    80,680.68x = 4,995,772,816.28
  5. Step 5: Solve for x
    x = 4,995,772,816.28/80,680.68
  6. Step 6: Final answer
    x = 61,920.31

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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.