Home / 121,448.32-167,581.92-67,727.04

Finding the Fourth Proportional to 121,448.32, 167,581.92 and 67,727.04

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Solution

The fourth proportional to 121,448.32, 167,581.92 and 67,727.04 is: 93,453.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,448.32 : 167,581.92 = 67,727.04 : x
  2. Step 2: Convert to fraction form
    121,448.32/167,581.92 = 67,727.04/x
  3. Step 3: Cross multiply
    121,448.32x = 167,581.92 × 67,727.04
  4. Step 4: Simplify right side
    121,448.32x = 11,349,827,399.12
  5. Step 5: Solve for x
    x = 11,349,827,399.12/121,448.32
  6. Step 6: Final answer
    x = 93,453.97

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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.