Home / 81,867.24-122,638.32-63,082.13

Finding the Fourth Proportional to 81,867.24, 122,638.32 and 63,082.13

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Solution

The fourth proportional to 81,867.24, 122,638.32 and 63,082.13 is: 94,497.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,867.24 : 122,638.32 = 63,082.13 : x
  2. Step 2: Convert to fraction form
    81,867.24/122,638.32 = 63,082.13/x
  3. Step 3: Cross multiply
    81,867.24x = 122,638.32 × 63,082.13
  4. Step 4: Simplify right side
    81,867.24x = 7,736,285,832.03
  5. Step 5: Solve for x
    x = 7,736,285,832.03/81,867.24
  6. Step 6: Final answer
    x = 94,497.94

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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.