Home / 123,934.24-171,029.70-67,345.60

Finding the Fourth Proportional to 123,934.24, 171,029.70 and 67,345.60

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Solution

The fourth proportional to 123,934.24, 171,029.70 and 67,345.60 is: 92,937.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,934.24 : 171,029.70 = 67,345.60 : x
  2. Step 2: Convert to fraction form
    123,934.24/171,029.70 = 67,345.60/x
  3. Step 3: Cross multiply
    123,934.24x = 171,029.70 × 67,345.60
  4. Step 4: Simplify right side
    123,934.24x = 11,518,097,764.32
  5. Step 5: Solve for x
    x = 11,518,097,764.32/123,934.24
  6. Step 6: Final answer
    x = 92,937.17

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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.