Home / 64,330.05-88,765.14-40,439.81

Finding the Fourth Proportional to 64,330.05, 88,765.14 and 40,439.81

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Solution

The fourth proportional to 64,330.05, 88,765.14 and 40,439.81 is: 55,800.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,330.05 : 88,765.14 = 40,439.81 : x
  2. Step 2: Convert to fraction form
    64,330.05/88,765.14 = 40,439.81/x
  3. Step 3: Cross multiply
    64,330.05x = 88,765.14 × 40,439.81
  4. Step 4: Simplify right side
    64,330.05x = 3,589,645,517.04
  5. Step 5: Solve for x
    x = 3,589,645,517.04/64,330.05
  6. Step 6: Final answer
    x = 55,800.44

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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.