Home / 70,743.39-97,626.11-38,914.31

Finding the Fourth Proportional to 70,743.39, 97,626.11 and 38,914.31

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Solution

The fourth proportional to 70,743.39, 97,626.11 and 38,914.31 is: 53,701.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,743.39 : 97,626.11 = 38,914.31 : x
  2. Step 2: Convert to fraction form
    70,743.39/97,626.11 = 38,914.31/x
  3. Step 3: Cross multiply
    70,743.39x = 97,626.11 × 38,914.31
  4. Step 4: Simplify right side
    70,743.39x = 3,799,052,025.93
  5. Step 5: Solve for x
    x = 3,799,052,025.93/70,743.39
  6. Step 6: Final answer
    x = 53,701.87

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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.