Home / 85,072.25-127,598.65-22,747.61

Finding the Fourth Proportional to 85,072.25, 127,598.65 and 22,747.61

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Solution

The fourth proportional to 85,072.25, 127,598.65 and 22,747.61 is: 34,118.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,072.25 : 127,598.65 = 22,747.61 : x
  2. Step 2: Convert to fraction form
    85,072.25/127,598.65 = 22,747.61/x
  3. Step 3: Cross multiply
    85,072.25x = 127,598.65 × 22,747.61
  4. Step 4: Simplify right side
    85,072.25x = 2,902,564,269.86
  5. Step 5: Solve for x
    x = 2,902,564,269.86/85,072.25
  6. Step 6: Final answer
    x = 34,118.81

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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.