Home / 89,827.40-134,753.39-30,647.18

Finding the Fourth Proportional to 89,827.40, 134,753.39 and 30,647.18

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Solution

The fourth proportional to 89,827.40, 134,753.39 and 30,647.18 is: 45,974.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,827.40 : 134,753.39 = 30,647.18 : x
  2. Step 2: Convert to fraction form
    89,827.40/134,753.39 = 30,647.18/x
  3. Step 3: Cross multiply
    89,827.40x = 134,753.39 × 30,647.18
  4. Step 4: Simplify right side
    89,827.40x = 4,129,810,571.94
  5. Step 5: Solve for x
    x = 4,129,810,571.94/89,827.40
  6. Step 6: Final answer
    x = 45,974.96

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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.