Home / 87,056.96-120,165.92-49,356.32

Finding the Fourth Proportional to 87,056.96, 120,165.92 and 49,356.32

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Solution

The fourth proportional to 87,056.96, 120,165.92 and 49,356.32 is: 68,127.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,056.96 : 120,165.92 = 49,356.32 : x
  2. Step 2: Convert to fraction form
    87,056.96/120,165.92 = 49,356.32/x
  3. Step 3: Cross multiply
    87,056.96x = 120,165.92 × 49,356.32
  4. Step 4: Simplify right side
    87,056.96x = 5,930,947,600.61
  5. Step 5: Solve for x
    x = 5,930,947,600.61/87,056.96
  6. Step 6: Final answer
    x = 68,127.21

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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.