Home / 95,986.83-143,868.13-72,218.00

Finding the Fourth Proportional to 95,986.83, 143,868.13 and 72,218.00

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Solution

The fourth proportional to 95,986.83, 143,868.13 and 72,218.00 is: 108,242.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,986.83 : 143,868.13 = 72,218.00 : x
  2. Step 2: Convert to fraction form
    95,986.83/143,868.13 = 72,218.00/x
  3. Step 3: Cross multiply
    95,986.83x = 143,868.13 × 72,218.00
  4. Step 4: Simplify right side
    95,986.83x = 10,389,868,791.47
  5. Step 5: Solve for x
    x = 10,389,868,791.47/95,986.83
  6. Step 6: Final answer
    x = 108,242.65

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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.