Home / 83,961.88-115,875.56-62,704.24

Finding the Fourth Proportional to 83,961.88, 115,875.56 and 62,704.24

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Solution

The fourth proportional to 83,961.88, 115,875.56 and 62,704.24 is: 86,537.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,961.88 : 115,875.56 = 62,704.24 : x
  2. Step 2: Convert to fraction form
    83,961.88/115,875.56 = 62,704.24/x
  3. Step 3: Cross multiply
    83,961.88x = 115,875.56 × 62,704.24
  4. Step 4: Simplify right side
    83,961.88x = 7,265,888,924.37
  5. Step 5: Solve for x
    x = 7,265,888,924.37/83,961.88
  6. Step 6: Final answer
    x = 86,537.95

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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.