Home / 91,568.21-137,399.19-43,591.11

Finding the Fourth Proportional to 91,568.21, 137,399.19 and 43,591.11

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Solution

The fourth proportional to 91,568.21, 137,399.19 and 43,591.11 is: 65,408.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,568.21 : 137,399.19 = 43,591.11 : x
  2. Step 2: Convert to fraction form
    91,568.21/137,399.19 = 43,591.11/x
  3. Step 3: Cross multiply
    91,568.21x = 137,399.19 × 43,591.11
  4. Step 4: Simplify right side
    91,568.21x = 5,989,382,526.49
  5. Step 5: Solve for x
    x = 5,989,382,526.49/91,568.21
  6. Step 6: Final answer
    x = 65,408.98

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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.