Home / 121,023.23-166,991.67-67,301.19

Finding the Fourth Proportional to 121,023.23, 166,991.67 and 67,301.19

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Solution

The fourth proportional to 121,023.23, 166,991.67 and 67,301.19 is: 92,864.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,023.23 : 166,991.67 = 67,301.19 : x
  2. Step 2: Convert to fraction form
    121,023.23/166,991.67 = 67,301.19/x
  3. Step 3: Cross multiply
    121,023.23x = 166,991.67 × 67,301.19
  4. Step 4: Simplify right side
    121,023.23x = 11,238,738,111.09
  5. Step 5: Solve for x
    x = 11,238,738,111.09/121,023.23
  6. Step 6: Final answer
    x = 92,864.31

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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.