Home / 117,148.44-175,554.39-66,587.64

Finding the Fourth Proportional to 117,148.44, 175,554.39 and 66,587.64

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Solution

The fourth proportional to 117,148.44, 175,554.39 and 66,587.64 is: 99,785.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,148.44 : 175,554.39 = 66,587.64 : x
  2. Step 2: Convert to fraction form
    117,148.44/175,554.39 = 66,587.64/x
  3. Step 3: Cross multiply
    117,148.44x = 175,554.39 × 66,587.64
  4. Step 4: Simplify right side
    117,148.44x = 11,689,752,521.74
  5. Step 5: Solve for x
    x = 11,689,752,521.74/117,148.44
  6. Step 6: Final answer
    x = 99,785.81

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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.