Home / 79,537.20-109,761.56-45,546.20

Finding the Fourth Proportional to 79,537.20, 109,761.56 and 45,546.20

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Solution

The fourth proportional to 79,537.20, 109,761.56 and 45,546.20 is: 62,853.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,537.20 : 109,761.56 = 45,546.20 : x
  2. Step 2: Convert to fraction form
    79,537.20/109,761.56 = 45,546.20/x
  3. Step 3: Cross multiply
    79,537.20x = 109,761.56 × 45,546.20
  4. Step 4: Simplify right side
    79,537.20x = 4,999,221,964.07
  5. Step 5: Solve for x
    x = 4,999,221,964.07/79,537.20
  6. Step 6: Final answer
    x = 62,853.88

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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.