Home / 87,775.90-131,441.10-48,288.40

Finding the Fourth Proportional to 87,775.90, 131,441.10 and 48,288.40

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Solution

The fourth proportional to 87,775.90, 131,441.10 and 48,288.40 is: 72,310.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,775.90 : 131,441.10 = 48,288.40 : x
  2. Step 2: Convert to fraction form
    87,775.90/131,441.10 = 48,288.40/x
  3. Step 3: Cross multiply
    87,775.90x = 131,441.10 × 48,288.40
  4. Step 4: Simplify right side
    87,775.90x = 6,347,080,413.24
  5. Step 5: Solve for x
    x = 6,347,080,413.24/87,775.90
  6. Step 6: Final answer
    x = 72,310.06

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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.