Home / 117,894.13-162,693.92-64,179.55

Finding the Fourth Proportional to 117,894.13, 162,693.92 and 64,179.55

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Solution

The fourth proportional to 117,894.13, 162,693.92 and 64,179.55 is: 88,567.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,894.13 : 162,693.92 = 64,179.55 : x
  2. Step 2: Convert to fraction form
    117,894.13/162,693.92 = 64,179.55/x
  3. Step 3: Cross multiply
    117,894.13x = 162,693.92 × 64,179.55
  4. Step 4: Simplify right side
    117,894.13x = 10,441,622,573.34
  5. Step 5: Solve for x
    x = 10,441,622,573.34/117,894.13
  6. Step 6: Final answer
    x = 88,567.79

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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.