Home / 68,845.06-95,007.09-38,636.92

Finding the Fourth Proportional to 68,845.06, 95,007.09 and 38,636.92

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Solution

The fourth proportional to 68,845.06, 95,007.09 and 38,636.92 is: 53,319.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,845.06 : 95,007.09 = 38,636.92 : x
  2. Step 2: Convert to fraction form
    68,845.06/95,007.09 = 38,636.92/x
  3. Step 3: Cross multiply
    68,845.06x = 95,007.09 × 38,636.92
  4. Step 4: Simplify right side
    68,845.06x = 3,670,781,335.76
  5. Step 5: Solve for x
    x = 3,670,781,335.76/68,845.06
  6. Step 6: Final answer
    x = 53,319.46

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1.5x scale

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.