Home / 80,867.40-111,605.22-45,063.24

Finding the Fourth Proportional to 80,867.40, 111,605.22 and 45,063.24

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Solution

The fourth proportional to 80,867.40, 111,605.22 and 45,063.24 is: 62,191.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,867.40 : 111,605.22 = 45,063.24 : x
  2. Step 2: Convert to fraction form
    80,867.40/111,605.22 = 45,063.24/x
  3. Step 3: Cross multiply
    80,867.40x = 111,605.22 × 45,063.24
  4. Step 4: Simplify right side
    80,867.40x = 5,029,292,814.11
  5. Step 5: Solve for x
    x = 5,029,292,814.11/80,867.40
  6. Step 6: Final answer
    x = 62,191.85

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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.