Home / 121,346.13-167,463.37-67,631.52

Finding the Fourth Proportional to 121,346.13, 167,463.37 and 67,631.52

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Solution

The fourth proportional to 121,346.13, 167,463.37 and 67,631.52 is: 93,334.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,346.13 : 167,463.37 = 67,631.52 : x
  2. Step 2: Convert to fraction form
    121,346.13/167,463.37 = 67,631.52/x
  3. Step 3: Cross multiply
    121,346.13x = 167,463.37 × 67,631.52
  4. Step 4: Simplify right side
    121,346.13x = 11,325,802,257.42
  5. Step 5: Solve for x
    x = 11,325,802,257.42/121,346.13
  6. Step 6: Final answer
    x = 93,334.68

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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.