Home / 85,072.11-127,598.44-22,747.47

Finding the Fourth Proportional to 85,072.11, 127,598.44 and 22,747.47

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Solution

The fourth proportional to 85,072.11, 127,598.44 and 22,747.47 is: 34,118.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,072.11 : 127,598.44 = 22,747.47 : x
  2. Step 2: Convert to fraction form
    85,072.11/127,598.44 = 22,747.47/x
  3. Step 3: Cross multiply
    85,072.11x = 127,598.44 × 22,747.47
  4. Step 4: Simplify right side
    85,072.11x = 2,902,541,685.95
  5. Step 5: Solve for x
    x = 2,902,541,685.95/85,072.11
  6. Step 6: Final answer
    x = 34,118.60

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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.