Home / 87,571.63-120,848.98-49,845.88

Finding the Fourth Proportional to 87,571.63, 120,848.98 and 49,845.88

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Solution

The fourth proportional to 87,571.63, 120,848.98 and 49,845.88 is: 68,787.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,571.63 : 120,848.98 = 49,845.88 : x
  2. Step 2: Convert to fraction form
    87,571.63/120,848.98 = 49,845.88/x
  3. Step 3: Cross multiply
    87,571.63x = 120,848.98 × 49,845.88
  4. Step 4: Simplify right side
    87,571.63x = 6,023,823,150.96
  5. Step 5: Solve for x
    x = 6,023,823,150.96/87,571.63
  6. Step 6: Final answer
    x = 68,787.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.