Home / 117,100.76-175,679.09-38,215.13

Finding the Fourth Proportional to 117,100.76, 175,679.09 and 38,215.13

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Solution

The fourth proportional to 117,100.76, 175,679.09 and 38,215.13 is: 57,331.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,100.76 : 175,679.09 = 38,215.13 : x
  2. Step 2: Convert to fraction form
    117,100.76/175,679.09 = 38,215.13/x
  3. Step 3: Cross multiply
    117,100.76x = 175,679.09 × 38,215.13
  4. Step 4: Simplify right side
    117,100.76x = 6,713,599,262.63
  5. Step 5: Solve for x
    x = 6,713,599,262.63/117,100.76
  6. Step 6: Final answer
    x = 57,331.82

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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.