Home / 90,604.17-135,822.42-34,427.43

Finding the Fourth Proportional to 90,604.17, 135,822.42 and 34,427.43

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Solution

The fourth proportional to 90,604.17, 135,822.42 and 34,427.43 is: 51,609.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,604.17 : 135,822.42 = 34,427.43 : x
  2. Step 2: Convert to fraction form
    90,604.17/135,822.42 = 34,427.43/x
  3. Step 3: Cross multiply
    90,604.17x = 135,822.42 × 34,427.43
  4. Step 4: Simplify right side
    90,604.17x = 4,676,016,856.98
  5. Step 5: Solve for x
    x = 4,676,016,856.98/90,604.17
  6. Step 6: Final answer
    x = 51,609.29

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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.