Home / 79,822.20-119,723.70-33,070.20

Finding the Fourth Proportional to 79,822.20, 119,723.70 and 33,070.20

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Solution

The fourth proportional to 79,822.20, 119,723.70 and 33,070.20 is: 49,601.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,822.20 : 119,723.70 = 33,070.20 : x
  2. Step 2: Convert to fraction form
    79,822.20/119,723.70 = 33,070.20/x
  3. Step 3: Cross multiply
    79,822.20x = 119,723.70 × 33,070.20
  4. Step 4: Simplify right side
    79,822.20x = 3,959,286,703.74
  5. Step 5: Solve for x
    x = 3,959,286,703.74/79,822.20
  6. Step 6: Final answer
    x = 49,601.32

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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.