Home / 90,341.82-135,558.99-43,010.46

Finding the Fourth Proportional to 90,341.82, 135,558.99 and 43,010.46

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Solution

The fourth proportional to 90,341.82, 135,558.99 and 43,010.46 is: 64,537.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,341.82 : 135,558.99 = 43,010.46 : x
  2. Step 2: Convert to fraction form
    90,341.82/135,558.99 = 43,010.46/x
  3. Step 3: Cross multiply
    90,341.82x = 135,558.99 × 43,010.46
  4. Step 4: Simplify right side
    90,341.82x = 5,830,454,517.04
  5. Step 5: Solve for x
    x = 5,830,454,517.04/90,341.82
  6. Step 6: Final answer
    x = 64,537.71

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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.