Home / 117,964.23-162,806.71-69,579.83

Finding the Fourth Proportional to 117,964.23, 162,806.71 and 69,579.83

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Solution

The fourth proportional to 117,964.23, 162,806.71 and 69,579.83 is: 96,029.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,964.23 : 162,806.71 = 69,579.83 : x
  2. Step 2: Convert to fraction form
    117,964.23/162,806.71 = 69,579.83/x
  3. Step 3: Cross multiply
    117,964.23x = 162,806.71 × 69,579.83
  4. Step 4: Simplify right side
    117,964.23x = 11,328,062,652.40
  5. Step 5: Solve for x
    x = 11,328,062,652.40/117,964.23
  6. Step 6: Final answer
    x = 96,029.64

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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.