Home / 96,267.70-144,401.55-81,061.30

Finding the Fourth Proportional to 96,267.70, 144,401.55 and 81,061.30

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Solution

The fourth proportional to 96,267.70, 144,401.55 and 81,061.30 is: 121,591.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,267.70 : 144,401.55 = 81,061.30 : x
  2. Step 2: Convert to fraction form
    96,267.70/144,401.55 = 81,061.30/x
  3. Step 3: Cross multiply
    96,267.70x = 144,401.55 × 81,061.30
  4. Step 4: Simplify right side
    96,267.70x = 11,705,377,365.02
  5. Step 5: Solve for x
    x = 11,705,377,365.02/96,267.70
  6. Step 6: Final answer
    x = 121,591.95

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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.