Home / 124,125.56-171,288.18-67,536.96

Finding the Fourth Proportional to 124,125.56, 171,288.18 and 67,536.96

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Solution

The fourth proportional to 124,125.56, 171,288.18 and 67,536.96 is: 93,198.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,125.56 : 171,288.18 = 67,536.96 : x
  2. Step 2: Convert to fraction form
    124,125.56/171,288.18 = 67,536.96/x
  3. Step 3: Cross multiply
    124,125.56x = 171,288.18 × 67,536.96
  4. Step 4: Simplify right side
    124,125.56x = 11,568,282,961.13
  5. Step 5: Solve for x
    x = 11,568,282,961.13/124,125.56
  6. Step 6: Final answer
    x = 93,198.23

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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.