Home / 87,623.60-131,435.40-48,160.40

Finding the Fourth Proportional to 87,623.60, 131,435.40 and 48,160.40

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Solution

The fourth proportional to 87,623.60, 131,435.40 and 48,160.40 is: 72,240.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,623.60 : 131,435.40 = 48,160.40 : x
  2. Step 2: Convert to fraction form
    87,623.60/131,435.40 = 48,160.40/x
  3. Step 3: Cross multiply
    87,623.60x = 131,435.40 × 48,160.40
  4. Step 4: Simplify right side
    87,623.60x = 6,329,981,438.16
  5. Step 5: Solve for x
    x = 6,329,981,438.16/87,623.60
  6. Step 6: Final answer
    x = 72,240.60

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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.