Home / 124,357.14-171,612.87-67,768.50

Finding the Fourth Proportional to 124,357.14, 171,612.87 and 67,768.50

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Solution

The fourth proportional to 124,357.14, 171,612.87 and 67,768.50 is: 93,520.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,357.14 : 171,612.87 = 67,768.50 : x
  2. Step 2: Convert to fraction form
    124,357.14/171,612.87 = 67,768.50/x
  3. Step 3: Cross multiply
    124,357.14x = 171,612.87 × 67,768.50
  4. Step 4: Simplify right side
    124,357.14x = 11,629,946,780.60
  5. Step 5: Solve for x
    x = 11,629,946,780.60/124,357.14
  6. Step 6: Final answer
    x = 93,520.54

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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.