Home / 103,914.92-143,308.44-68,091.92

Finding the Fourth Proportional to 103,914.92, 143,308.44 and 68,091.92

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Solution

The fourth proportional to 103,914.92, 143,308.44 and 68,091.92 is: 93,905.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,914.92 : 143,308.44 = 68,091.92 : x
  2. Step 2: Convert to fraction form
    103,914.92/143,308.44 = 68,091.92/x
  3. Step 3: Cross multiply
    103,914.92x = 143,308.44 × 68,091.92
  4. Step 4: Simplify right side
    103,914.92x = 9,758,146,831.80
  5. Step 5: Solve for x
    x = 9,758,146,831.80/103,914.92
  6. Step 6: Final answer
    x = 93,905.16

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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.