Home / 121,306.49-167,400.73-67,590.35

Finding the Fourth Proportional to 121,306.49, 167,400.73 and 67,590.35

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Solution

The fourth proportional to 121,306.49, 167,400.73 and 67,590.35 is: 93,273.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,306.49 : 167,400.73 = 67,590.35 : x
  2. Step 2: Convert to fraction form
    121,306.49/167,400.73 = 67,590.35/x
  3. Step 3: Cross multiply
    121,306.49x = 167,400.73 × 67,590.35
  4. Step 4: Simplify right side
    121,306.49x = 11,314,674,180.48
  5. Step 5: Solve for x
    x = 11,314,674,180.48/121,306.49
  6. Step 6: Final answer
    x = 93,273.44

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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.