Home / 75,828.66-113,757.54-29,077.89

Finding the Fourth Proportional to 75,828.66, 113,757.54 and 29,077.89

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Solution

The fourth proportional to 75,828.66, 113,757.54 and 29,077.89 is: 43,622.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,828.66 : 113,757.54 = 29,077.89 : x
  2. Step 2: Convert to fraction form
    75,828.66/113,757.54 = 29,077.89/x
  3. Step 3: Cross multiply
    75,828.66x = 113,757.54 × 29,077.89
  4. Step 4: Simplify right side
    75,828.66x = 3,307,829,234.79
  5. Step 5: Solve for x
    x = 3,307,829,234.79/75,828.66
  6. Step 6: Final answer
    x = 43,622.41

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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.