Home / 74,176.36-102,365.22-43,956.78

Finding the Fourth Proportional to 74,176.36, 102,365.22 and 43,956.78

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Solution

The fourth proportional to 74,176.36, 102,365.22 and 43,956.78 is: 60,661.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,176.36 : 102,365.22 = 43,956.78 : x
  2. Step 2: Convert to fraction form
    74,176.36/102,365.22 = 43,956.78/x
  3. Step 3: Cross multiply
    74,176.36x = 102,365.22 × 43,956.78
  4. Step 4: Simplify right side
    74,176.36x = 4,499,644,988.90
  5. Step 5: Solve for x
    x = 4,499,644,988.90/74,176.36
  6. Step 6: Final answer
    x = 60,661.44

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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.