Home / 117,101.60-175,651.68-38,215.88

Finding the Fourth Proportional to 117,101.60, 175,651.68 and 38,215.88

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Solution

The fourth proportional to 117,101.60, 175,651.68 and 38,215.88 is: 57,323.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,101.60 : 175,651.68 = 38,215.88 : x
  2. Step 2: Convert to fraction form
    117,101.60/175,651.68 = 38,215.88/x
  3. Step 3: Cross multiply
    117,101.60x = 175,651.68 × 38,215.88
  4. Step 4: Simplify right side
    117,101.60x = 6,712,683,524.68
  5. Step 5: Solve for x
    x = 6,712,683,524.68/117,101.60
  6. Step 6: Final answer
    x = 57,323.59

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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.