Home / 64,135.20-96,223.55-30,850.91

Finding the Fourth Proportional to 64,135.20, 96,223.55 and 30,850.91

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Solution

The fourth proportional to 64,135.20, 96,223.55 and 30,850.91 is: 46,286.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,135.20 : 96,223.55 = 30,850.91 : x
  2. Step 2: Convert to fraction form
    64,135.20/96,223.55 = 30,850.91/x
  3. Step 3: Cross multiply
    64,135.20x = 96,223.55 × 30,850.91
  4. Step 4: Simplify right side
    64,135.20x = 2,968,583,445.56
  5. Step 5: Solve for x
    x = 2,968,583,445.56/64,135.20
  6. Step 6: Final answer
    x = 46,286.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.