Home / 87,108.87-120,202.98-48,863.10

Finding the Fourth Proportional to 87,108.87, 120,202.98 and 48,863.10

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Solution

The fourth proportional to 87,108.87, 120,202.98 and 48,863.10 is: 67,427.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,108.87 : 120,202.98 = 48,863.10 : x
  2. Step 2: Convert to fraction form
    87,108.87/120,202.98 = 48,863.10/x
  3. Step 3: Cross multiply
    87,108.87x = 120,202.98 × 48,863.10
  4. Step 4: Simplify right side
    87,108.87x = 5,873,490,232.04
  5. Step 5: Solve for x
    x = 5,873,490,232.04/87,108.87
  6. Step 6: Final answer
    x = 67,427.01

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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.