Home / 123,933.90-171,029.86-67,345.27

Finding the Fourth Proportional to 123,933.90, 171,029.86 and 67,345.27

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Solution

The fourth proportional to 123,933.90, 171,029.86 and 67,345.27 is: 92,937.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,933.90 : 171,029.86 = 67,345.27 : x
  2. Step 2: Convert to fraction form
    123,933.90/171,029.86 = 67,345.27/x
  3. Step 3: Cross multiply
    123,933.90x = 171,029.86 × 67,345.27
  4. Step 4: Simplify right side
    123,933.90x = 11,518,052,844.68
  5. Step 5: Solve for x
    x = 11,518,052,844.68/123,933.90
  6. Step 6: Final answer
    x = 92,937.07

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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.