Home / 121,310.04-167,405.59-67,593.90

Finding the Fourth Proportional to 121,310.04, 167,405.59 and 67,593.90

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Solution

The fourth proportional to 121,310.04, 167,405.59 and 67,593.90 is: 93,278.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,310.04 : 167,405.59 = 67,593.90 : x
  2. Step 2: Convert to fraction form
    121,310.04/167,405.59 = 67,593.90/x
  3. Step 3: Cross multiply
    121,310.04x = 167,405.59 × 67,593.90
  4. Step 4: Simplify right side
    121,310.04x = 11,315,596,709.90
  5. Step 5: Solve for x
    x = 11,315,596,709.90/121,310.04
  6. Step 6: Final answer
    x = 93,278.32

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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.