Home / 70,532.07-105,839.41-26,189.43

Finding the Fourth Proportional to 70,532.07, 105,839.41 and 26,189.43

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Solution

The fourth proportional to 70,532.07, 105,839.41 and 26,189.43 is: 39,299.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,532.07 : 105,839.41 = 26,189.43 : x
  2. Step 2: Convert to fraction form
    70,532.07/105,839.41 = 26,189.43/x
  3. Step 3: Cross multiply
    70,532.07x = 105,839.41 × 26,189.43
  4. Step 4: Simplify right side
    70,532.07x = 2,771,873,819.44
  5. Step 5: Solve for x
    x = 2,771,873,819.44/70,532.07
  6. Step 6: Final answer
    x = 39,299.48

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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.