Home / 87,697.36-131,546.04-28,539.04

Finding the Fourth Proportional to 87,697.36, 131,546.04 and 28,539.04

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Solution

The fourth proportional to 87,697.36, 131,546.04 and 28,539.04 is: 42,808.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,697.36 : 131,546.04 = 28,539.04 : x
  2. Step 2: Convert to fraction form
    87,697.36/131,546.04 = 28,539.04/x
  3. Step 3: Cross multiply
    87,697.36x = 131,546.04 × 28,539.04
  4. Step 4: Simplify right side
    87,697.36x = 3,754,197,697.40
  5. Step 5: Solve for x
    x = 3,754,197,697.40/87,697.36
  6. Step 6: Final answer
    x = 42,808.56

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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.