Home / 60,003.20-90,004.80-50,161.70

Finding the Fourth Proportional to 60,003.20, 90,004.80 and 50,161.70

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Solution

The fourth proportional to 60,003.20, 90,004.80 and 50,161.70 is: 75,242.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,003.20 : 90,004.80 = 50,161.70 : x
  2. Step 2: Convert to fraction form
    60,003.20/90,004.80 = 50,161.70/x
  3. Step 3: Cross multiply
    60,003.20x = 90,004.80 × 50,161.70
  4. Step 4: Simplify right side
    60,003.20x = 4,514,793,776.16
  5. Step 5: Solve for x
    x = 4,514,793,776.16/60,003.20
  6. Step 6: Final answer
    x = 75,242.55

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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.