Home / 117,668.46-162,382.70-63,953.35

Finding the Fourth Proportional to 117,668.46, 162,382.70 and 63,953.35

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Solution

The fourth proportional to 117,668.46, 162,382.70 and 63,953.35 is: 88,255.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,668.46 : 162,382.70 = 63,953.35 : x
  2. Step 2: Convert to fraction form
    117,668.46/162,382.70 = 63,953.35/x
  3. Step 3: Cross multiply
    117,668.46x = 162,382.70 × 63,953.35
  4. Step 4: Simplify right side
    117,668.46x = 10,384,917,221.10
  5. Step 5: Solve for x
    x = 10,384,917,221.10/117,668.46
  6. Step 6: Final answer
    x = 88,255.74

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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.