Home / 95,531.20-143,078.26-45,646.36

Finding the Fourth Proportional to 95,531.20, 143,078.26 and 45,646.36

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Solution

The fourth proportional to 95,531.20, 143,078.26 and 45,646.36 is: 68,365.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,531.20 : 143,078.26 = 45,646.36 : x
  2. Step 2: Convert to fraction form
    95,531.20/143,078.26 = 45,646.36/x
  3. Step 3: Cross multiply
    95,531.20x = 143,078.26 × 45,646.36
  4. Step 4: Simplify right side
    95,531.20x = 6,531,001,764.13
  5. Step 5: Solve for x
    x = 6,531,001,764.13/95,531.20
  6. Step 6: Final answer
    x = 68,365.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.