Home / 80,040.42-120,073.66-37,388.49

Finding the Fourth Proportional to 80,040.42, 120,073.66 and 37,388.49

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Solution

The fourth proportional to 80,040.42, 120,073.66 and 37,388.49 is: 56,088.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,040.42 : 120,073.66 = 37,388.49 : x
  2. Step 2: Convert to fraction form
    80,040.42/120,073.66 = 37,388.49/x
  3. Step 3: Cross multiply
    80,040.42x = 120,073.66 × 37,388.49
  4. Step 4: Simplify right side
    80,040.42x = 4,489,372,292.43
  5. Step 5: Solve for x
    x = 4,489,372,292.43/80,040.42
  6. Step 6: Final answer
    x = 56,088.81

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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.