Home / 74,044.56-102,181.20-40,053.06

Finding the Fourth Proportional to 74,044.56, 102,181.20 and 40,053.06

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Solution

The fourth proportional to 74,044.56, 102,181.20 and 40,053.06 is: 55,273.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,044.56 : 102,181.20 = 40,053.06 : x
  2. Step 2: Convert to fraction form
    74,044.56/102,181.20 = 40,053.06/x
  3. Step 3: Cross multiply
    74,044.56x = 102,181.20 × 40,053.06
  4. Step 4: Simplify right side
    74,044.56x = 4,092,669,734.47
  5. Step 5: Solve for x
    x = 4,092,669,734.47/74,044.56
  6. Step 6: Final answer
    x = 55,273.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.