Home / 74,353.80-102,608.31-40,362.27

Finding the Fourth Proportional to 74,353.80, 102,608.31 and 40,362.27

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Solution

The fourth proportional to 74,353.80, 102,608.31 and 40,362.27 is: 55,699.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,353.80 : 102,608.31 = 40,362.27 : x
  2. Step 2: Convert to fraction form
    74,353.80/102,608.31 = 40,362.27/x
  3. Step 3: Cross multiply
    74,353.80x = 102,608.31 × 40,362.27
  4. Step 4: Simplify right side
    74,353.80x = 4,141,504,312.46
  5. Step 5: Solve for x
    x = 4,141,504,312.46/74,353.80
  6. Step 6: Final answer
    x = 55,699.97

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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.