Home / 80,555.67-111,158.82-48,281.76

Finding the Fourth Proportional to 80,555.67, 111,158.82 and 48,281.76

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Solution

The fourth proportional to 80,555.67, 111,158.82 and 48,281.76 is: 66,624.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,555.67 : 111,158.82 = 48,281.76 : x
  2. Step 2: Convert to fraction form
    80,555.67/111,158.82 = 48,281.76/x
  3. Step 3: Cross multiply
    80,555.67x = 111,158.82 × 48,281.76
  4. Step 4: Simplify right side
    80,555.67x = 5,366,943,469.12
  5. Step 5: Solve for x
    x = 5,366,943,469.12/80,555.67
  6. Step 6: Final answer
    x = 66,624.03

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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.