Home / 91,970.04-137,933.19-25,408.71

Finding the Fourth Proportional to 91,970.04, 137,933.19 and 25,408.71

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Solution

The fourth proportional to 91,970.04, 137,933.19 and 25,408.71 is: 38,107.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,970.04 : 137,933.19 = 25,408.71 : x
  2. Step 2: Convert to fraction form
    91,970.04/137,933.19 = 25,408.71/x
  3. Step 3: Cross multiply
    91,970.04x = 137,933.19 × 25,408.71
  4. Step 4: Simplify right side
    91,970.04x = 3,504,704,424.08
  5. Step 5: Solve for x
    x = 3,504,704,424.08/91,970.04
  6. Step 6: Final answer
    x = 38,107.02

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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.