Home / 121,464.03-167,619.93-67,749.01

Finding the Fourth Proportional to 121,464.03, 167,619.93 and 67,749.01

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Solution

The fourth proportional to 121,464.03, 167,619.93 and 67,749.01 is: 93,493.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,464.03 : 167,619.93 = 67,749.01 : x
  2. Step 2: Convert to fraction form
    121,464.03/167,619.93 = 67,749.01/x
  3. Step 3: Cross multiply
    121,464.03x = 167,619.93 × 67,749.01
  4. Step 4: Simplify right side
    121,464.03x = 11,356,083,894.72
  5. Step 5: Solve for x
    x = 11,356,083,894.72/121,464.03
  6. Step 6: Final answer
    x = 93,493.39

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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.