Home / 117,742.61-176,589.19-38,838.35

Finding the Fourth Proportional to 117,742.61, 176,589.19 and 38,838.35

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Solution

The fourth proportional to 117,742.61, 176,589.19 and 38,838.35 is: 58,249.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,742.61 : 176,589.19 = 38,838.35 : x
  2. Step 2: Convert to fraction form
    117,742.61/176,589.19 = 38,838.35/x
  3. Step 3: Cross multiply
    117,742.61x = 176,589.19 × 38,838.35
  4. Step 4: Simplify right side
    117,742.61x = 6,858,431,690.30
  5. Step 5: Solve for x
    x = 6,858,431,690.30/117,742.61
  6. Step 6: Final answer
    x = 58,249.36

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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.