Home / 91,966.39-137,952.19-25,406.53

Finding the Fourth Proportional to 91,966.39, 137,952.19 and 25,406.53

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Solution

The fourth proportional to 91,966.39, 137,952.19 and 25,406.53 is: 38,110.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,966.39 : 137,952.19 = 25,406.53 : x
  2. Step 2: Convert to fraction form
    91,966.39/137,952.19 = 25,406.53/x
  3. Step 3: Cross multiply
    91,966.39x = 137,952.19 × 25,406.53
  4. Step 4: Simplify right side
    91,966.39x = 3,504,886,453.80
  5. Step 5: Solve for x
    x = 3,504,886,453.80/91,966.39
  6. Step 6: Final answer
    x = 38,110.51

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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.