Home / 76,719.96-115,052.82-29,348.28

Finding the Fourth Proportional to 76,719.96, 115,052.82 and 29,348.28

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Solution

The fourth proportional to 76,719.96, 115,052.82 and 29,348.28 is: 44,012.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,719.96 : 115,052.82 = 29,348.28 : x
  2. Step 2: Convert to fraction form
    76,719.96/115,052.82 = 29,348.28/x
  3. Step 3: Cross multiply
    76,719.96x = 115,052.82 × 29,348.28
  4. Step 4: Simplify right side
    76,719.96x = 3,376,602,376.15
  5. Step 5: Solve for x
    x = 3,376,602,376.15/76,719.96
  6. Step 6: Final answer
    x = 44,012.05

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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.