Home / 85,072.36-127,598.82-22,747.72

Finding the Fourth Proportional to 85,072.36, 127,598.82 and 22,747.72

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Solution

The fourth proportional to 85,072.36, 127,598.82 and 22,747.72 is: 34,118.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,072.36 : 127,598.82 = 22,747.72 : x
  2. Step 2: Convert to fraction form
    85,072.36/127,598.82 = 22,747.72/x
  3. Step 3: Cross multiply
    85,072.36x = 127,598.82 × 22,747.72
  4. Step 4: Simplify right side
    85,072.36x = 2,902,582,229.69
  5. Step 5: Solve for x
    x = 2,902,582,229.69/85,072.36
  6. Step 6: Final answer
    x = 34,118.98

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1.5x scale

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.