Home / 117,961.44-162,785.16-67,659.36

Finding the Fourth Proportional to 117,961.44, 162,785.16 and 67,659.36

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Solution

The fourth proportional to 117,961.44, 162,785.16 and 67,659.36 is: 93,368.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,961.44 : 162,785.16 = 67,659.36 : x
  2. Step 2: Convert to fraction form
    117,961.44/162,785.16 = 67,659.36/x
  3. Step 3: Cross multiply
    117,961.44x = 162,785.16 × 67,659.36
  4. Step 4: Simplify right side
    117,961.44x = 11,013,939,743.10
  5. Step 5: Solve for x
    x = 11,013,939,743.10/117,961.44
  6. Step 6: Final answer
    x = 93,368.98

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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.