Home / 121,023.48-167,014.54-67,308.51

Finding the Fourth Proportional to 121,023.48, 167,014.54 and 67,308.51

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Solution

The fourth proportional to 121,023.48, 167,014.54 and 67,308.51 is: 92,886.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,023.48 : 167,014.54 = 67,308.51 : x
  2. Step 2: Convert to fraction form
    121,023.48/167,014.54 = 67,308.51/x
  3. Step 3: Cross multiply
    121,023.48x = 167,014.54 × 67,308.51
  4. Step 4: Simplify right side
    121,023.48x = 11,241,500,650.56
  5. Step 5: Solve for x
    x = 11,241,500,650.56/121,023.48
  6. Step 6: Final answer
    x = 92,886.94

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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.