Home / 74,162.16-102,326.05-43,942.26

Finding the Fourth Proportional to 74,162.16, 102,326.05 and 43,942.26

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Solution

The fourth proportional to 74,162.16, 102,326.05 and 43,942.26 is: 60,629.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,162.16 : 102,326.05 = 43,942.26 : x
  2. Step 2: Convert to fraction form
    74,162.16/102,326.05 = 43,942.26/x
  3. Step 3: Cross multiply
    74,162.16x = 102,326.05 × 43,942.26
  4. Step 4: Simplify right side
    74,162.16x = 4,496,437,528.20
  5. Step 5: Solve for x
    x = 4,496,437,528.20/74,162.16
  6. Step 6: Final answer
    x = 60,629.81

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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.