Home / 74,605.98-111,876.14-39,537.42

Finding the Fourth Proportional to 74,605.98, 111,876.14 and 39,537.42

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Solution

The fourth proportional to 74,605.98, 111,876.14 and 39,537.42 is: 59,288.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,605.98 : 111,876.14 = 39,537.42 : x
  2. Step 2: Convert to fraction form
    74,605.98/111,876.14 = 39,537.42/x
  3. Step 3: Cross multiply
    74,605.98x = 111,876.14 × 39,537.42
  4. Step 4: Simplify right side
    74,605.98x = 4,423,293,737.47
  5. Step 5: Solve for x
    x = 4,423,293,737.47/74,605.98
  6. Step 6: Final answer
    x = 59,288.73

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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.