Home / 77,077.59-115,546.28-29,662.44

Finding the Fourth Proportional to 77,077.59, 115,546.28 and 29,662.44

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Solution

The fourth proportional to 77,077.59, 115,546.28 and 29,662.44 is: 44,466.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,077.59 : 115,546.28 = 29,662.44 : x
  2. Step 2: Convert to fraction form
    77,077.59/115,546.28 = 29,662.44/x
  3. Step 3: Cross multiply
    77,077.59x = 115,546.28 × 29,662.44
  4. Step 4: Simplify right side
    77,077.59x = 3,427,384,449.41
  5. Step 5: Solve for x
    x = 3,427,384,449.41/77,077.59
  6. Step 6: Final answer
    x = 44,466.68

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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.