Home / 69,123.53-103,655.96-29,160.43

Finding the Fourth Proportional to 69,123.53, 103,655.96 and 29,160.43

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Solution

The fourth proportional to 69,123.53, 103,655.96 and 29,160.43 is: 43,728.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,123.53 : 103,655.96 = 29,160.43 : x
  2. Step 2: Convert to fraction form
    69,123.53/103,655.96 = 29,160.43/x
  3. Step 3: Cross multiply
    69,123.53x = 103,655.96 × 29,160.43
  4. Step 4: Simplify right side
    69,123.53x = 3,022,652,365.66
  5. Step 5: Solve for x
    x = 3,022,652,365.66/69,123.53
  6. Step 6: Final answer
    x = 43,728.27

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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.