Home / 91,540.11-137,398.81-44,188.44

Finding the Fourth Proportional to 91,540.11, 137,398.81 and 44,188.44

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Solution

The fourth proportional to 91,540.11, 137,398.81 and 44,188.44 is: 66,325.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,540.11 : 137,398.81 = 44,188.44 : x
  2. Step 2: Convert to fraction form
    91,540.11/137,398.81 = 44,188.44/x
  3. Step 3: Cross multiply
    91,540.11x = 137,398.81 × 44,188.44
  4. Step 4: Simplify right side
    91,540.11x = 6,071,439,071.76
  5. Step 5: Solve for x
    x = 6,071,439,071.76/91,540.11
  6. Step 6: Final answer
    x = 66,325.45

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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.