Home / 87,900.48-131,873.04-25,570.92

Finding the Fourth Proportional to 87,900.48, 131,873.04 and 25,570.92

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Solution

The fourth proportional to 87,900.48, 131,873.04 and 25,570.92 is: 38,362.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,900.48 : 131,873.04 = 25,570.92 : x
  2. Step 2: Convert to fraction form
    87,900.48/131,873.04 = 25,570.92/x
  3. Step 3: Cross multiply
    87,900.48x = 131,873.04 × 25,570.92
  4. Step 4: Simplify right side
    87,900.48x = 3,372,114,956.00
  5. Step 5: Solve for x
    x = 3,372,114,956.00/87,900.48
  6. Step 6: Final answer
    x = 38,362.87

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1.5x scale

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.