Home / 75,169.80-103,684.38-48,346.26

Finding the Fourth Proportional to 75,169.80, 103,684.38 and 48,346.26

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Solution

The fourth proportional to 75,169.80, 103,684.38 and 48,346.26 is: 66,685.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,169.80 : 103,684.38 = 48,346.26 : x
  2. Step 2: Convert to fraction form
    75,169.80/103,684.38 = 48,346.26/x
  3. Step 3: Cross multiply
    75,169.80x = 103,684.38 × 48,346.26
  4. Step 4: Simplify right side
    75,169.80x = 5,012,751,993.42
  5. Step 5: Solve for x
    x = 5,012,751,993.42/75,169.80
  6. Step 6: Final answer
    x = 66,685.72

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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.