Home / 121,306.74-167,401.07-67,590.60

Finding the Fourth Proportional to 121,306.74, 167,401.07 and 67,590.60

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Solution

The fourth proportional to 121,306.74, 167,401.07 and 67,590.60 is: 93,273.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,306.74 : 167,401.07 = 67,590.60 : x
  2. Step 2: Convert to fraction form
    121,306.74/167,401.07 = 67,590.60/x
  3. Step 3: Cross multiply
    121,306.74x = 167,401.07 × 67,590.60
  4. Step 4: Simplify right side
    121,306.74x = 11,314,739,349.42
  5. Step 5: Solve for x
    x = 11,314,739,349.42/121,306.74
  6. Step 6: Final answer
    x = 93,273.79

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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.