Home / 80,853.14-111,577.40-45,043.24

Finding the Fourth Proportional to 80,853.14, 111,577.40 and 45,043.24

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Solution

The fourth proportional to 80,853.14, 111,577.40 and 45,043.24 is: 62,159.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,853.14 : 111,577.40 = 45,043.24 : x
  2. Step 2: Convert to fraction form
    80,853.14/111,577.40 = 45,043.24/x
  3. Step 3: Cross multiply
    80,853.14x = 111,577.40 × 45,043.24
  4. Step 4: Simplify right side
    80,853.14x = 5,025,807,606.78
  5. Step 5: Solve for x
    x = 5,025,807,606.78/80,853.14
  6. Step 6: Final answer
    x = 62,159.71

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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.