Home / 76,887.90-115,277.17-29,462.81

Finding the Fourth Proportional to 76,887.90, 115,277.17 and 29,462.81

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Solution

The fourth proportional to 76,887.90, 115,277.17 and 29,462.81 is: 44,173.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,887.90 : 115,277.17 = 29,462.81 : x
  2. Step 2: Convert to fraction form
    76,887.90/115,277.17 = 29,462.81/x
  3. Step 3: Cross multiply
    76,887.90x = 115,277.17 × 29,462.81
  4. Step 4: Simplify right side
    76,887.90x = 3,396,388,633.35
  5. Step 5: Solve for x
    x = 3,396,388,633.35/76,887.90
  6. Step 6: Final answer
    x = 44,173.25

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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.