Home / 87,923.34-131,901.21-28,762.29

Finding the Fourth Proportional to 87,923.34, 131,901.21 and 28,762.29

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Solution

The fourth proportional to 87,923.34, 131,901.21 and 28,762.29 is: 43,148.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,923.34 : 131,901.21 = 28,762.29 : x
  2. Step 2: Convert to fraction form
    87,923.34/131,901.21 = 28,762.29/x
  3. Step 3: Cross multiply
    87,923.34x = 131,901.21 × 28,762.29
  4. Step 4: Simplify right side
    87,923.34x = 3,793,780,853.37
  5. Step 5: Solve for x
    x = 3,793,780,853.37/87,923.34
  6. Step 6: Final answer
    x = 43,148.73

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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.