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Finding the Fourth Proportional to 84,933.32, 127,402.86 and 22,603.88

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Solution

The fourth proportional to 84,933.32, 127,402.86 and 22,603.88 is: 33,906.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,933.32 : 127,402.86 = 22,603.88 : x
  2. Step 2: Convert to fraction form
    84,933.32/127,402.86 = 22,603.88/x
  3. Step 3: Cross multiply
    84,933.32x = 127,402.86 × 22,603.88
  4. Step 4: Simplify right side
    84,933.32x = 2,879,798,959.10
  5. Step 5: Solve for x
    x = 2,879,798,959.10/84,933.32
  6. Step 6: Final answer
    x = 33,906.59

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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.