Home / 91,427.36-137,091.72-41,480.20

Finding the Fourth Proportional to 91,427.36, 137,091.72 and 41,480.20

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Solution

The fourth proportional to 91,427.36, 137,091.72 and 41,480.20 is: 62,197.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,427.36 : 137,091.72 = 41,480.20 : x
  2. Step 2: Convert to fraction form
    91,427.36/137,091.72 = 41,480.20/x
  3. Step 3: Cross multiply
    91,427.36x = 137,091.72 × 41,480.20
  4. Step 4: Simplify right side
    91,427.36x = 5,686,591,071.08
  5. Step 5: Solve for x
    x = 5,686,591,071.08/91,427.36
  6. Step 6: Final answer
    x = 62,197.92

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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.