Home / 90,549.06-135,849.51-43,828.26

Finding the Fourth Proportional to 90,549.06, 135,849.51 and 43,828.26

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Solution

The fourth proportional to 90,549.06, 135,849.51 and 43,828.26 is: 65,754.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,549.06 : 135,849.51 = 43,828.26 : x
  2. Step 2: Convert to fraction form
    90,549.06/135,849.51 = 43,828.26/x
  3. Step 3: Cross multiply
    90,549.06x = 135,849.51 × 43,828.26
  4. Step 4: Simplify right side
    90,549.06x = 5,954,047,645.15
  5. Step 5: Solve for x
    x = 5,954,047,645.15/90,549.06
  6. Step 6: Final answer
    x = 65,754.94

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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.