Home / 102,044.15-140,822.61-56,105.73

Finding the Fourth Proportional to 102,044.15, 140,822.61 and 56,105.73

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Solution

The fourth proportional to 102,044.15, 140,822.61 and 56,105.73 is: 77,426.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,044.15 : 140,822.61 = 56,105.73 : x
  2. Step 2: Convert to fraction form
    102,044.15/140,822.61 = 56,105.73/x
  3. Step 3: Cross multiply
    102,044.15x = 140,822.61 × 56,105.73
  4. Step 4: Simplify right side
    102,044.15x = 7,900,955,815.70
  5. Step 5: Solve for x
    x = 7,900,955,815.70/102,044.15
  6. Step 6: Final answer
    x = 77,426.84

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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.