Home / 87,490.40-131,235.60-24,310.40

Finding the Fourth Proportional to 87,490.40, 131,235.60 and 24,310.40

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Solution

The fourth proportional to 87,490.40, 131,235.60 and 24,310.40 is: 36,465.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,490.40 : 131,235.60 = 24,310.40 : x
  2. Step 2: Convert to fraction form
    87,490.40/131,235.60 = 24,310.40/x
  3. Step 3: Cross multiply
    87,490.40x = 131,235.60 × 24,310.40
  4. Step 4: Simplify right side
    87,490.40x = 3,190,389,930.24
  5. Step 5: Solve for x
    x = 3,190,389,930.24/87,490.40
  6. Step 6: Final answer
    x = 36,465.60

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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.