Home / 103,747.80-155,372.25-59,239.68

Finding the Fourth Proportional to 103,747.80, 155,372.25 and 59,239.68

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Solution

The fourth proportional to 103,747.80, 155,372.25 and 59,239.68 is: 88,717.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,747.80 : 155,372.25 = 59,239.68 : x
  2. Step 2: Convert to fraction form
    103,747.80/155,372.25 = 59,239.68/x
  3. Step 3: Cross multiply
    103,747.80x = 155,372.25 × 59,239.68
  4. Step 4: Simplify right side
    103,747.80x = 9,204,202,370.88
  5. Step 5: Solve for x
    x = 9,204,202,370.88/103,747.80
  6. Step 6: Final answer
    x = 88,717.08

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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.