Home / 77,188.64-115,778.48-29,794.46

Finding the Fourth Proportional to 77,188.64, 115,778.48 and 29,794.46

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Solution

The fourth proportional to 77,188.64, 115,778.48 and 29,794.46 is: 44,689.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,188.64 : 115,778.48 = 29,794.46 : x
  2. Step 2: Convert to fraction form
    77,188.64/115,778.48 = 29,794.46/x
  3. Step 3: Cross multiply
    77,188.64x = 115,778.48 × 29,794.46
  4. Step 4: Simplify right side
    77,188.64x = 3,449,557,291.22
  5. Step 5: Solve for x
    x = 3,449,557,291.22/77,188.64
  6. Step 6: Final answer
    x = 44,689.96

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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.