Home / 87,620.40-131,430.60-24,440.40

Finding the Fourth Proportional to 87,620.40, 131,430.60 and 24,440.40

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Solution

The fourth proportional to 87,620.40, 131,430.60 and 24,440.40 is: 36,660.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,620.40 : 131,430.60 = 24,440.40 : x
  2. Step 2: Convert to fraction form
    87,620.40/131,430.60 = 24,440.40/x
  3. Step 3: Cross multiply
    87,620.40x = 131,430.60 × 24,440.40
  4. Step 4: Simplify right side
    87,620.40x = 3,212,216,436.24
  5. Step 5: Solve for x
    x = 3,212,216,436.24/87,620.40
  6. Step 6: Final answer
    x = 36,660.60

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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.