Home / 117,992.09-162,827.20-64,277.75

Finding the Fourth Proportional to 117,992.09, 162,827.20 and 64,277.75

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Solution

The fourth proportional to 117,992.09, 162,827.20 and 64,277.75 is: 88,702.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,992.09 : 162,827.20 = 64,277.75 : x
  2. Step 2: Convert to fraction form
    117,992.09/162,827.20 = 64,277.75/x
  3. Step 3: Cross multiply
    117,992.09x = 162,827.20 × 64,277.75
  4. Step 4: Simplify right side
    117,992.09x = 10,466,166,054.80
  5. Step 5: Solve for x
    x = 10,466,166,054.80/117,992.09
  6. Step 6: Final answer
    x = 88,702.27

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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.