Home / 102,566.34-153,837.06-27,680.76

Finding the Fourth Proportional to 102,566.34, 153,837.06 and 27,680.76

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Solution

The fourth proportional to 102,566.34, 153,837.06 and 27,680.76 is: 41,517.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,566.34 : 153,837.06 = 27,680.76 : x
  2. Step 2: Convert to fraction form
    102,566.34/153,837.06 = 27,680.76/x
  3. Step 3: Cross multiply
    102,566.34x = 153,837.06 × 27,680.76
  4. Step 4: Simplify right side
    102,566.34x = 4,258,326,736.97
  5. Step 5: Solve for x
    x = 4,258,326,736.97/102,566.34
  6. Step 6: Final answer
    x = 41,517.78

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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.