Home / 80,441.13-111,008.77-44,631.05

Finding the Fourth Proportional to 80,441.13, 111,008.77 and 44,631.05

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Solution

The fourth proportional to 80,441.13, 111,008.77 and 44,631.05 is: 61,590.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,441.13 : 111,008.77 = 44,631.05 : x
  2. Step 2: Convert to fraction form
    80,441.13/111,008.77 = 44,631.05/x
  3. Step 3: Cross multiply
    80,441.13x = 111,008.77 × 44,631.05
  4. Step 4: Simplify right side
    80,441.13x = 4,954,437,964.31
  5. Step 5: Solve for x
    x = 4,954,437,964.31/80,441.13
  6. Step 6: Final answer
    x = 61,590.85

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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.