Home / 95,687.02-143,530.62-78,975.10

Finding the Fourth Proportional to 95,687.02, 143,530.62 and 78,975.10

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Solution

The fourth proportional to 95,687.02, 143,530.62 and 78,975.10 is: 118,462.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,687.02 : 143,530.62 = 78,975.10 : x
  2. Step 2: Convert to fraction form
    95,687.02/143,530.62 = 78,975.10/x
  3. Step 3: Cross multiply
    95,687.02x = 143,530.62 × 78,975.10
  4. Step 4: Simplify right side
    95,687.02x = 11,335,345,067.56
  5. Step 5: Solve for x
    x = 11,335,345,067.56/95,687.02
  6. Step 6: Final answer
    x = 118,462.72

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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.