Home / 85,546.66-128,229.78-35,576.46

Finding the Fourth Proportional to 85,546.66, 128,229.78 and 35,576.46

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Solution

The fourth proportional to 85,546.66, 128,229.78 and 35,576.46 is: 53,327.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,546.66 : 128,229.78 = 35,576.46 : x
  2. Step 2: Convert to fraction form
    85,546.66/128,229.78 = 35,576.46/x
  3. Step 3: Cross multiply
    85,546.66x = 128,229.78 × 35,576.46
  4. Step 4: Simplify right side
    85,546.66x = 4,561,961,638.98
  5. Step 5: Solve for x
    x = 4,561,961,638.98/85,546.66
  6. Step 6: Final answer
    x = 53,327.17

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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.