Home / 86,799.88-119,787.06-49,071.88

Finding the Fourth Proportional to 86,799.88, 119,787.06 and 49,071.88

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Solution

The fourth proportional to 86,799.88, 119,787.06 and 49,071.88 is: 67,721.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,799.88 : 119,787.06 = 49,071.88 : x
  2. Step 2: Convert to fraction form
    86,799.88/119,787.06 = 49,071.88/x
  3. Step 3: Cross multiply
    86,799.88x = 119,787.06 × 49,071.88
  4. Step 4: Simplify right side
    86,799.88x = 5,878,176,233.87
  5. Step 5: Solve for x
    x = 5,878,176,233.87/86,799.88
  6. Step 6: Final answer
    x = 67,721.02

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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.