Home / 102,115.24-140,898.20-59,665.56

Finding the Fourth Proportional to 102,115.24, 140,898.20 and 59,665.56

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Solution

The fourth proportional to 102,115.24, 140,898.20 and 59,665.56 is: 82,326.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,115.24 : 140,898.20 = 59,665.56 : x
  2. Step 2: Convert to fraction form
    102,115.24/140,898.20 = 59,665.56/x
  3. Step 3: Cross multiply
    102,115.24x = 140,898.20 × 59,665.56
  4. Step 4: Simplify right side
    102,115.24x = 8,406,770,005.99
  5. Step 5: Solve for x
    x = 8,406,770,005.99/102,115.24
  6. Step 6: Final answer
    x = 82,326.30

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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.