Home / 77,862.12-116,793.36-21,702.36

Finding the Fourth Proportional to 77,862.12, 116,793.36 and 21,702.36

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Solution

The fourth proportional to 77,862.12, 116,793.36 and 21,702.36 is: 32,553.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,862.12 : 116,793.36 = 21,702.36 : x
  2. Step 2: Convert to fraction form
    77,862.12/116,793.36 = 21,702.36/x
  3. Step 3: Cross multiply
    77,862.12x = 116,793.36 × 21,702.36
  4. Step 4: Simplify right side
    77,862.12x = 2,534,691,544.33
  5. Step 5: Solve for x
    x = 2,534,691,544.33/77,862.12
  6. Step 6: Final answer
    x = 32,553.59

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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.