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Finding the Fourth Proportional to 79,799.22, 119,698.11 and 30,551.22

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Solution

The fourth proportional to 79,799.22, 119,698.11 and 30,551.22 is: 45,826.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,799.22 : 119,698.11 = 30,551.22 : x
  2. Step 2: Convert to fraction form
    79,799.22/119,698.11 = 30,551.22/x
  3. Step 3: Cross multiply
    79,799.22x = 119,698.11 × 30,551.22
  4. Step 4: Simplify right side
    79,799.22x = 3,656,923,292.19
  5. Step 5: Solve for x
    x = 3,656,923,292.19/79,799.22
  6. Step 6: Final answer
    x = 45,826.55

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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.