Home / 77,534.88-116,302.32-21,375.42

Finding the Fourth Proportional to 77,534.88, 116,302.32 and 21,375.42

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Solution

The fourth proportional to 77,534.88, 116,302.32 and 21,375.42 is: 32,063.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,534.88 : 116,302.32 = 21,375.42 : x
  2. Step 2: Convert to fraction form
    77,534.88/116,302.32 = 21,375.42/x
  3. Step 3: Cross multiply
    77,534.88x = 116,302.32 × 21,375.42
  4. Step 4: Simplify right side
    77,534.88x = 2,486,010,936.97
  5. Step 5: Solve for x
    x = 2,486,010,936.97/77,534.88
  6. Step 6: Final answer
    x = 32,063.13

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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.