Home / 95,987.59-143,869.25-72,218.75

Finding the Fourth Proportional to 95,987.59, 143,869.25 and 72,218.75

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Solution

The fourth proportional to 95,987.59, 143,869.25 and 72,218.75 is: 108,243.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,987.59 : 143,869.25 = 72,218.75 : x
  2. Step 2: Convert to fraction form
    95,987.59/143,869.25 = 72,218.75/x
  3. Step 3: Cross multiply
    95,987.59x = 143,869.25 × 72,218.75
  4. Step 4: Simplify right side
    95,987.59x = 10,390,057,938.66
  5. Step 5: Solve for x
    x = 10,390,057,938.66/95,987.59
  6. Step 6: Final answer
    x = 108,243.77

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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.