Home / 87,727.76-131,611.12-40,955.12

Finding the Fourth Proportional to 87,727.76, 131,611.12 and 40,955.12

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Solution

The fourth proportional to 87,727.76, 131,611.12 and 40,955.12 is: 61,441.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,727.76 : 131,611.12 = 40,955.12 : x
  2. Step 2: Convert to fraction form
    87,727.76/131,611.12 = 40,955.12/x
  3. Step 3: Cross multiply
    87,727.76x = 131,611.12 × 40,955.12
  4. Step 4: Simplify right side
    87,727.76x = 5,390,149,212.93
  5. Step 5: Solve for x
    x = 5,390,149,212.93/87,727.76
  6. Step 6: Final answer
    x = 61,441.77

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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.