Home / 87,768.83-131,547.92-50,354.72

Finding the Fourth Proportional to 87,768.83, 131,547.92 and 50,354.72

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Solution

The fourth proportional to 87,768.83, 131,547.92 and 50,354.72 is: 75,471.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,768.83 : 131,547.92 = 50,354.72 : x
  2. Step 2: Convert to fraction form
    87,768.83/131,547.92 = 50,354.72/x
  3. Step 3: Cross multiply
    87,768.83x = 131,547.92 × 50,354.72
  4. Step 4: Simplify right side
    87,768.83x = 6,624,058,755.28
  5. Step 5: Solve for x
    x = 6,624,058,755.28/87,768.83
  6. Step 6: Final answer
    x = 75,471.66

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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.