Home / 80,422.38-110,987.97-46,437.15

Finding the Fourth Proportional to 80,422.38, 110,987.97 and 46,437.15

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Solution

The fourth proportional to 80,422.38, 110,987.97 and 46,437.15 is: 64,086.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,422.38 : 110,987.97 = 46,437.15 : x
  2. Step 2: Convert to fraction form
    80,422.38/110,987.97 = 46,437.15/x
  3. Step 3: Cross multiply
    80,422.38x = 110,987.97 × 46,437.15
  4. Step 4: Simplify right side
    80,422.38x = 5,153,965,011.09
  5. Step 5: Solve for x
    x = 5,153,965,011.09/80,422.38
  6. Step 6: Final answer
    x = 64,086.20

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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.