Home / 117,475.66-162,116.52-63,760.69

Finding the Fourth Proportional to 117,475.66, 162,116.52 and 63,760.69

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Solution

The fourth proportional to 117,475.66, 162,116.52 and 63,760.69 is: 87,989.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,475.66 : 162,116.52 = 63,760.69 : x
  2. Step 2: Convert to fraction form
    117,475.66/162,116.52 = 63,760.69/x
  3. Step 3: Cross multiply
    117,475.66x = 162,116.52 × 63,760.69
  4. Step 4: Simplify right side
    117,475.66x = 10,336,661,175.60
  5. Step 5: Solve for x
    x = 10,336,661,175.60/117,475.66
  6. Step 6: Final answer
    x = 87,989.81

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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.