Home / 87,993.95-131,989.55-35,402.06

Finding the Fourth Proportional to 87,993.95, 131,989.55 and 35,402.06

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Solution

The fourth proportional to 87,993.95, 131,989.55 and 35,402.06 is: 53,102.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,993.95 : 131,989.55 = 35,402.06 : x
  2. Step 2: Convert to fraction form
    87,993.95/131,989.55 = 35,402.06/x
  3. Step 3: Cross multiply
    87,993.95x = 131,989.55 × 35,402.06
  4. Step 4: Simplify right side
    87,993.95x = 4,672,702,320.57
  5. Step 5: Solve for x
    x = 4,672,702,320.57/87,993.95
  6. Step 6: Final answer
    x = 53,102.54

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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.