Home / 70,338.44-105,507.20-17,747.97

Finding the Fourth Proportional to 70,338.44, 105,507.20 and 17,747.97

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Solution

The fourth proportional to 70,338.44, 105,507.20 and 17,747.97 is: 26,621.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,338.44 : 105,507.20 = 17,747.97 : x
  2. Step 2: Convert to fraction form
    70,338.44/105,507.20 = 17,747.97/x
  3. Step 3: Cross multiply
    70,338.44x = 105,507.20 × 17,747.97
  4. Step 4: Simplify right side
    70,338.44x = 1,872,538,531.64
  5. Step 5: Solve for x
    x = 1,872,538,531.64/70,338.44
  6. Step 6: Final answer
    x = 26,621.84

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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.