Home / 71,796.23-99,077.10-39,964.44

Finding the Fourth Proportional to 71,796.23, 99,077.10 and 39,964.44

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Solution

The fourth proportional to 71,796.23, 99,077.10 and 39,964.44 is: 55,149.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,796.23 : 99,077.10 = 39,964.44 : x
  2. Step 2: Convert to fraction form
    71,796.23/99,077.10 = 39,964.44/x
  3. Step 3: Cross multiply
    71,796.23x = 99,077.10 × 39,964.44
  4. Step 4: Simplify right side
    71,796.23x = 3,959,560,818.32
  5. Step 5: Solve for x
    x = 3,959,560,818.32/71,796.23
  6. Step 6: Final answer
    x = 55,149.99

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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.