Home / 64,452.21-88,942.70-35,770.20

Finding the Fourth Proportional to 64,452.21, 88,942.70 and 35,770.20

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Solution

The fourth proportional to 64,452.21, 88,942.70 and 35,770.20 is: 49,362.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,452.21 : 88,942.70 = 35,770.20 : x
  2. Step 2: Convert to fraction form
    64,452.21/88,942.70 = 35,770.20/x
  3. Step 3: Cross multiply
    64,452.21x = 88,942.70 × 35,770.20
  4. Step 4: Simplify right side
    64,452.21x = 3,181,497,923.43
  5. Step 5: Solve for x
    x = 3,181,497,923.43/64,452.21
  6. Step 6: Final answer
    x = 49,362.13

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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.