Home / 74,343.50-102,594.11-40,351.98

Finding the Fourth Proportional to 74,343.50, 102,594.11 and 40,351.98

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Solution

The fourth proportional to 74,343.50, 102,594.11 and 40,351.98 is: 55,685.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,343.50 : 102,594.11 = 40,351.98 : x
  2. Step 2: Convert to fraction form
    74,343.50/102,594.11 = 40,351.98/x
  3. Step 3: Cross multiply
    74,343.50x = 102,594.11 × 40,351.98
  4. Step 4: Simplify right side
    74,343.50x = 4,139,875,273.08
  5. Step 5: Solve for x
    x = 4,139,875,273.08/74,343.50
  6. Step 6: Final answer
    x = 55,685.78

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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.