Home / 91,910.40-137,884.02-41,977.08

Finding the Fourth Proportional to 91,910.40, 137,884.02 and 41,977.08

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Solution

The fourth proportional to 91,910.40, 137,884.02 and 41,977.08 is: 62,974.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,910.40 : 137,884.02 = 41,977.08 : x
  2. Step 2: Convert to fraction form
    91,910.40/137,884.02 = 41,977.08/x
  3. Step 3: Cross multiply
    91,910.40x = 137,884.02 × 41,977.08
  4. Step 4: Simplify right side
    91,910.40x = 5,787,968,538.26
  5. Step 5: Solve for x
    x = 5,787,968,538.26/91,910.40
  6. Step 6: Final answer
    x = 62,974.03

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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.