Home / 45,873.97-63,279.12-28,851.28

Finding the Fourth Proportional to 45,873.97, 63,279.12 and 28,851.28

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Solution

The fourth proportional to 45,873.97, 63,279.12 and 28,851.28 is: 39,797.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,873.97 : 63,279.12 = 28,851.28 : x
  2. Step 2: Convert to fraction form
    45,873.97/63,279.12 = 28,851.28/x
  3. Step 3: Cross multiply
    45,873.97x = 63,279.12 × 28,851.28
  4. Step 4: Simplify right side
    45,873.97x = 1,825,683,609.27
  5. Step 5: Solve for x
    x = 1,825,683,609.27/45,873.97
  6. Step 6: Final answer
    x = 39,797.81

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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.