Home / 86,522.17-129,782.49-27,357.88

Finding the Fourth Proportional to 86,522.17, 129,782.49 and 27,357.88

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Solution

The fourth proportional to 86,522.17, 129,782.49 and 27,357.88 is: 41,036.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,522.17 : 129,782.49 = 27,357.88 : x
  2. Step 2: Convert to fraction form
    86,522.17/129,782.49 = 27,357.88/x
  3. Step 3: Cross multiply
    86,522.17x = 129,782.49 × 27,357.88
  4. Step 4: Simplify right side
    86,522.17x = 3,550,573,787.52
  5. Step 5: Solve for x
    x = 3,550,573,787.52/86,522.17
  6. Step 6: Final answer
    x = 41,036.58

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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.