Home / 124,170.75-171,355.64-67,582.53

Finding the Fourth Proportional to 124,170.75, 171,355.64 and 67,582.53

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Solution

The fourth proportional to 124,170.75, 171,355.64 and 67,582.53 is: 93,263.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,170.75 : 171,355.64 = 67,582.53 : x
  2. Step 2: Convert to fraction form
    124,170.75/171,355.64 = 67,582.53/x
  3. Step 3: Cross multiply
    124,170.75x = 171,355.64 × 67,582.53
  4. Step 4: Simplify right side
    124,170.75x = 11,580,647,680.97
  5. Step 5: Solve for x
    x = 11,580,647,680.97/124,170.75
  6. Step 6: Final answer
    x = 93,263.89

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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.