Home / 41,123.45-61,687.38-13,045.64

Finding the Fourth Proportional to 41,123.45, 61,687.38 and 13,045.64

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Solution

The fourth proportional to 41,123.45, 61,687.38 and 13,045.64 is: 19,569.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,123.45 : 61,687.38 = 13,045.64 : x
  2. Step 2: Convert to fraction form
    41,123.45/61,687.38 = 13,045.64/x
  3. Step 3: Cross multiply
    41,123.45x = 61,687.38 × 13,045.64
  4. Step 4: Simplify right side
    41,123.45x = 804,751,043.59
  5. Step 5: Solve for x
    x = 804,751,043.59/41,123.45
  6. Step 6: Final answer
    x = 19,569.15

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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.