Home / 74,218.28-102,376.32-43,993.94

Finding the Fourth Proportional to 74,218.28, 102,376.32 and 43,993.94

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Solution

The fourth proportional to 74,218.28, 102,376.32 and 43,993.94 is: 60,685.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,218.28 : 102,376.32 = 43,993.94 : x
  2. Step 2: Convert to fraction form
    74,218.28/102,376.32 = 43,993.94/x
  3. Step 3: Cross multiply
    74,218.28x = 102,376.32 × 43,993.94
  4. Step 4: Simplify right side
    74,218.28x = 4,503,937,679.50
  5. Step 5: Solve for x
    x = 4,503,937,679.50/74,218.28
  6. Step 6: Final answer
    x = 60,685.02

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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.