Home / 121,747.03-168,007.67-68,032.49

Finding the Fourth Proportional to 121,747.03, 168,007.67 and 68,032.49

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Solution

The fourth proportional to 121,747.03, 168,007.67 and 68,032.49 is: 93,883.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,747.03 : 168,007.67 = 68,032.49 : x
  2. Step 2: Convert to fraction form
    121,747.03/168,007.67 = 68,032.49/x
  3. Step 3: Cross multiply
    121,747.03x = 168,007.67 × 68,032.49
  4. Step 4: Simplify right side
    121,747.03x = 11,429,980,129.20
  5. Step 5: Solve for x
    x = 11,429,980,129.20/121,747.03
  6. Step 6: Final answer
    x = 93,883.03

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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.