Home / 77,936.32-116,987.15-63,321.72

Finding the Fourth Proportional to 77,936.32, 116,987.15 and 63,321.72

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Solution

The fourth proportional to 77,936.32, 116,987.15 and 63,321.72 is: 95,049.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,936.32 : 116,987.15 = 63,321.72 : x
  2. Step 2: Convert to fraction form
    77,936.32/116,987.15 = 63,321.72/x
  3. Step 3: Cross multiply
    77,936.32x = 116,987.15 × 63,321.72
  4. Step 4: Simplify right side
    77,936.32x = 7,407,827,555.90
  5. Step 5: Solve for x
    x = 7,407,827,555.90/77,936.32
  6. Step 6: Final answer
    x = 95,049.75

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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.