Home / 73,003.12-100,805.70-49,208.56

Finding the Fourth Proportional to 73,003.12, 100,805.70 and 49,208.56

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Solution

The fourth proportional to 73,003.12, 100,805.70 and 49,208.56 is: 67,949.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,003.12 : 100,805.70 = 49,208.56 : x
  2. Step 2: Convert to fraction form
    73,003.12/100,805.70 = 49,208.56/x
  3. Step 3: Cross multiply
    73,003.12x = 100,805.70 × 49,208.56
  4. Step 4: Simplify right side
    73,003.12x = 4,960,503,336.79
  5. Step 5: Solve for x
    x = 4,960,503,336.79/73,003.12
  6. Step 6: Final answer
    x = 67,949.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.