Home / 77,555.88-116,333.82-21,396.42

Finding the Fourth Proportional to 77,555.88, 116,333.82 and 21,396.42

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Solution

The fourth proportional to 77,555.88, 116,333.82 and 21,396.42 is: 32,094.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,555.88 : 116,333.82 = 21,396.42 : x
  2. Step 2: Convert to fraction form
    77,555.88/116,333.82 = 21,396.42/x
  3. Step 3: Cross multiply
    77,555.88x = 116,333.82 × 21,396.42
  4. Step 4: Simplify right side
    77,555.88x = 2,489,127,272.92
  5. Step 5: Solve for x
    x = 2,489,127,272.92/77,555.88
  6. Step 6: Final answer
    x = 32,094.63

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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.