Home / 41,123.80-61,687.90-13,045.99

Finding the Fourth Proportional to 41,123.80, 61,687.90 and 13,045.99

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Solution

The fourth proportional to 41,123.80, 61,687.90 and 13,045.99 is: 19,569.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,123.80 : 61,687.90 = 13,045.99 : x
  2. Step 2: Convert to fraction form
    41,123.80/61,687.90 = 13,045.99/x
  3. Step 3: Cross multiply
    41,123.80x = 61,687.90 × 13,045.99
  4. Step 4: Simplify right side
    41,123.80x = 804,779,567.47
  5. Step 5: Solve for x
    x = 804,779,567.47/41,123.80
  6. Step 6: Final answer
    x = 19,569.68

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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.