Home / 75,823.55-113,749.91-29,072.78

Finding the Fourth Proportional to 75,823.55, 113,749.91 and 29,072.78

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Solution

The fourth proportional to 75,823.55, 113,749.91 and 29,072.78 is: 43,614.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,823.55 : 113,749.91 = 29,072.78 : x
  2. Step 2: Convert to fraction form
    75,823.55/113,749.91 = 29,072.78/x
  3. Step 3: Cross multiply
    75,823.55x = 113,749.91 × 29,072.78
  4. Step 4: Simplify right side
    75,823.55x = 3,307,026,108.45
  5. Step 5: Solve for x
    x = 3,307,026,108.45/75,823.55
  6. Step 6: Final answer
    x = 43,614.76

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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.