Home / 74,054.29-102,194.43-40,062.64

Finding the Fourth Proportional to 74,054.29, 102,194.43 and 40,062.64

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Solution

The fourth proportional to 74,054.29, 102,194.43 and 40,062.64 is: 55,286.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,054.29 : 102,194.43 = 40,062.64 : x
  2. Step 2: Convert to fraction form
    74,054.29/102,194.43 = 40,062.64/x
  3. Step 3: Cross multiply
    74,054.29x = 102,194.43 × 40,062.64
  4. Step 4: Simplify right side
    74,054.29x = 4,094,178,659.10
  5. Step 5: Solve for x
    x = 4,094,178,659.10/74,054.29
  6. Step 6: Final answer
    x = 55,286.18

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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.