Home / 102,847.72-141,927.97-58,135.72

Finding the Fourth Proportional to 102,847.72, 141,927.97 and 58,135.72

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Solution

The fourth proportional to 102,847.72, 141,927.97 and 58,135.72 is: 80,226.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,847.72 : 141,927.97 = 58,135.72 : x
  2. Step 2: Convert to fraction form
    102,847.72/141,927.97 = 58,135.72/x
  3. Step 3: Cross multiply
    102,847.72x = 141,927.97 × 58,135.72
  4. Step 4: Simplify right side
    102,847.72x = 8,251,083,869.11
  5. Step 5: Solve for x
    x = 8,251,083,869.11/102,847.72
  6. Step 6: Final answer
    x = 80,226.22

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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.