Home / 81,464.03-122,262.06-42,032.42

Finding the Fourth Proportional to 81,464.03, 122,262.06 and 42,032.42

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Solution

The fourth proportional to 81,464.03, 122,262.06 and 42,032.42 is: 63,082.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,464.03 : 122,262.06 = 42,032.42 : x
  2. Step 2: Convert to fraction form
    81,464.03/122,262.06 = 42,032.42/x
  3. Step 3: Cross multiply
    81,464.03x = 122,262.06 × 42,032.42
  4. Step 4: Simplify right side
    81,464.03x = 5,138,970,255.99
  5. Step 5: Solve for x
    x = 5,138,970,255.99/81,464.03
  6. Step 6: Final answer
    x = 63,082.69

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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.