Home / 68,859.22-103,332.52-29,416.62

Finding the Fourth Proportional to 68,859.22, 103,332.52 and 29,416.62

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Solution

The fourth proportional to 68,859.22, 103,332.52 and 29,416.62 is: 44,143.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,859.22 : 103,332.52 = 29,416.62 : x
  2. Step 2: Convert to fraction form
    68,859.22/103,332.52 = 29,416.62/x
  3. Step 3: Cross multiply
    68,859.22x = 103,332.52 × 29,416.62
  4. Step 4: Simplify right side
    68,859.22x = 3,039,693,474.48
  5. Step 5: Solve for x
    x = 3,039,693,474.48/68,859.22
  6. Step 6: Final answer
    x = 44,143.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.