Home / 102,822.39-141,892.23-56,883.73

Finding the Fourth Proportional to 102,822.39, 141,892.23 and 56,883.73

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Solution

The fourth proportional to 102,822.39, 141,892.23 and 56,883.73 is: 78,498.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,822.39 : 141,892.23 = 56,883.73 : x
  2. Step 2: Convert to fraction form
    102,822.39/141,892.23 = 56,883.73/x
  3. Step 3: Cross multiply
    102,822.39x = 141,892.23 × 56,883.73
  4. Step 4: Simplify right side
    102,822.39x = 8,071,358,306.54
  5. Step 5: Solve for x
    x = 8,071,358,306.54/102,822.39
  6. Step 6: Final answer
    x = 78,498.07

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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.