Home / 89,440.89-134,198.03-47,309.70

Finding the Fourth Proportional to 89,440.89, 134,198.03 and 47,309.70

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Solution

The fourth proportional to 89,440.89, 134,198.03 and 47,309.70 is: 70,983.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,440.89 : 134,198.03 = 47,309.70 : x
  2. Step 2: Convert to fraction form
    89,440.89/134,198.03 = 47,309.70/x
  3. Step 3: Cross multiply
    89,440.89x = 134,198.03 × 47,309.70
  4. Step 4: Simplify right side
    89,440.89x = 6,348,868,658.17
  5. Step 5: Solve for x
    x = 6,348,868,658.17/89,440.89
  6. Step 6: Final answer
    x = 70,983.96

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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.