Home / 126,892.48-175,118.88-76,599.04

Finding the Fourth Proportional to 126,892.48, 175,118.88 and 76,599.04

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Solution

The fourth proportional to 126,892.48, 175,118.88 and 76,599.04 is: 105,711.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,892.48 : 175,118.88 = 76,599.04 : x
  2. Step 2: Convert to fraction form
    126,892.48/175,118.88 = 76,599.04/x
  3. Step 3: Cross multiply
    126,892.48x = 175,118.88 × 76,599.04
  4. Step 4: Simplify right side
    126,892.48x = 13,413,938,093.88
  5. Step 5: Solve for x
    x = 13,413,938,093.88/126,892.48
  6. Step 6: Final answer
    x = 105,711.06

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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.