Home / 74,054.10-102,194.30-40,062.54

Finding the Fourth Proportional to 74,054.10, 102,194.30 and 40,062.54

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Solution

The fourth proportional to 74,054.10, 102,194.30 and 40,062.54 is: 55,286.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,054.10 : 102,194.30 = 40,062.54 : x
  2. Step 2: Convert to fraction form
    74,054.10/102,194.30 = 40,062.54/x
  3. Step 3: Cross multiply
    74,054.10x = 102,194.30 × 40,062.54
  4. Step 4: Simplify right side
    74,054.10x = 4,094,162,714.66
  5. Step 5: Solve for x
    x = 4,094,162,714.66/74,054.10
  6. Step 6: Final answer
    x = 55,286.11

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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.