Home / 87,809.82-131,599.86-35,256.21

Finding the Fourth Proportional to 87,809.82, 131,599.86 and 35,256.21

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Solution

The fourth proportional to 87,809.82, 131,599.86 and 35,256.21 is: 52,838.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,809.82 : 131,599.86 = 35,256.21 : x
  2. Step 2: Convert to fraction form
    87,809.82/131,599.86 = 35,256.21/x
  3. Step 3: Cross multiply
    87,809.82x = 131,599.86 × 35,256.21
  4. Step 4: Simplify right side
    87,809.82x = 4,639,712,300.13
  5. Step 5: Solve for x
    x = 4,639,712,300.13/87,809.82
  6. Step 6: Final answer
    x = 52,838.19

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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.