Home / 95,681.90-143,493.66-76,917.44

Finding the Fourth Proportional to 95,681.90, 143,493.66 and 76,917.44

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Solution

The fourth proportional to 95,681.90, 143,493.66 and 76,917.44 is: 115,352.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,681.90 : 143,493.66 = 76,917.44 : x
  2. Step 2: Convert to fraction form
    95,681.90/143,493.66 = 76,917.44/x
  3. Step 3: Cross multiply
    95,681.90x = 143,493.66 × 76,917.44
  4. Step 4: Simplify right side
    95,681.90x = 11,037,164,983.43
  5. Step 5: Solve for x
    x = 11,037,164,983.43/95,681.90
  6. Step 6: Final answer
    x = 115,352.69

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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.