Home / 85,167.72-117,505.44-49,350.82

Finding the Fourth Proportional to 85,167.72, 117,505.44 and 49,350.82

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Solution

The fourth proportional to 85,167.72, 117,505.44 and 49,350.82 is: 68,089.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,167.72 : 117,505.44 = 49,350.82 : x
  2. Step 2: Convert to fraction form
    85,167.72/117,505.44 = 49,350.82/x
  3. Step 3: Cross multiply
    85,167.72x = 117,505.44 × 49,350.82
  4. Step 4: Simplify right side
    85,167.72x = 5,798,989,818.46
  5. Step 5: Solve for x
    x = 5,798,989,818.46/85,167.72
  6. Step 6: Final answer
    x = 68,089.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.