Home / 121,352.77-167,467.62-67,641.18

Finding the Fourth Proportional to 121,352.77, 167,467.62 and 67,641.18

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Solution

The fourth proportional to 121,352.77, 167,467.62 and 67,641.18 is: 93,345.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,352.77 : 167,467.62 = 67,641.18 : x
  2. Step 2: Convert to fraction form
    121,352.77/167,467.62 = 67,641.18/x
  3. Step 3: Cross multiply
    121,352.77x = 167,467.62 × 67,641.18
  4. Step 4: Simplify right side
    121,352.77x = 11,327,707,428.59
  5. Step 5: Solve for x
    x = 11,327,707,428.59/121,352.77
  6. Step 6: Final answer
    x = 93,345.27

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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.