Home / 87,355.05-131,083.33-36,750.36

Finding the Fourth Proportional to 87,355.05, 131,083.33 and 36,750.36

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Solution

The fourth proportional to 87,355.05, 131,083.33 and 36,750.36 is: 55,146.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,355.05 : 131,083.33 = 36,750.36 : x
  2. Step 2: Convert to fraction form
    87,355.05/131,083.33 = 36,750.36/x
  3. Step 3: Cross multiply
    87,355.05x = 131,083.33 × 36,750.36
  4. Step 4: Simplify right side
    87,355.05x = 4,817,359,567.50
  5. Step 5: Solve for x
    x = 4,817,359,567.50/87,355.05
  6. Step 6: Final answer
    x = 55,146.89

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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.