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Finding the Fourth Proportional to 60,882.82, 84,071.73 and 38,261.01

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Solution

The fourth proportional to 60,882.82, 84,071.73 and 38,261.01 is: 52,833.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,882.82 : 84,071.73 = 38,261.01 : x
  2. Step 2: Convert to fraction form
    60,882.82/84,071.73 = 38,261.01/x
  3. Step 3: Cross multiply
    60,882.82x = 84,071.73 × 38,261.01
  4. Step 4: Simplify right side
    60,882.82x = 3,216,669,302.25
  5. Step 5: Solve for x
    x = 3,216,669,302.25/60,882.82
  6. Step 6: Final answer
    x = 52,833.78

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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.