Home / 87,923.70-131,885.55-28,765.35

Finding the Fourth Proportional to 87,923.70, 131,885.55 and 28,765.35

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Solution

The fourth proportional to 87,923.70, 131,885.55 and 28,765.35 is: 43,148.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,923.70 : 131,885.55 = 28,765.35 : x
  2. Step 2: Convert to fraction form
    87,923.70/131,885.55 = 28,765.35/x
  3. Step 3: Cross multiply
    87,923.70x = 131,885.55 × 28,765.35
  4. Step 4: Simplify right side
    87,923.70x = 3,793,734,005.69
  5. Step 5: Solve for x
    x = 3,793,734,005.69/87,923.70
  6. Step 6: Final answer
    x = 43,148.03

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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.