Home / 84,199.88-116,145.42-61,511.15

Finding the Fourth Proportional to 84,199.88, 116,145.42 and 61,511.15

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Solution

The fourth proportional to 84,199.88, 116,145.42 and 61,511.15 is: 84,848.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,199.88 : 116,145.42 = 61,511.15 : x
  2. Step 2: Convert to fraction form
    84,199.88/116,145.42 = 61,511.15/x
  3. Step 3: Cross multiply
    84,199.88x = 116,145.42 × 61,511.15
  4. Step 4: Simplify right side
    84,199.88x = 7,144,238,351.43
  5. Step 5: Solve for x
    x = 7,144,238,351.43/84,199.88
  6. Step 6: Final answer
    x = 84,848.56

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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.