Home / 80,680.55-111,337.58-44,869.80

Finding the Fourth Proportional to 80,680.55, 111,337.58 and 44,869.80

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Solution

The fourth proportional to 80,680.55, 111,337.58 and 44,869.80 is: 61,919.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,680.55 : 111,337.58 = 44,869.80 : x
  2. Step 2: Convert to fraction form
    80,680.55/111,337.58 = 44,869.80/x
  3. Step 3: Cross multiply
    80,680.55x = 111,337.58 × 44,869.80
  4. Step 4: Simplify right side
    80,680.55x = 4,995,695,059.26
  5. Step 5: Solve for x
    x = 4,995,695,059.26/80,680.55
  6. Step 6: Final answer
    x = 61,919.45

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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.