Home / 70,125.09-105,184.05-25,748.43

Finding the Fourth Proportional to 70,125.09, 105,184.05 and 25,748.43

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Solution

The fourth proportional to 70,125.09, 105,184.05 and 25,748.43 is: 38,621.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,125.09 : 105,184.05 = 25,748.43 : x
  2. Step 2: Convert to fraction form
    70,125.09/105,184.05 = 25,748.43/x
  3. Step 3: Cross multiply
    70,125.09x = 105,184.05 × 25,748.43
  4. Step 4: Simplify right side
    70,125.09x = 2,708,324,148.54
  5. Step 5: Solve for x
    x = 2,708,324,148.54/70,125.09
  6. Step 6: Final answer
    x = 38,621.33

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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.