Home / 77,896.08-107,537.88-62,414.10

Finding the Fourth Proportional to 77,896.08, 107,537.88 and 62,414.10

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Solution

The fourth proportional to 77,896.08, 107,537.88 and 62,414.10 is: 86,164.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,896.08 : 107,537.88 = 62,414.10 : x
  2. Step 2: Convert to fraction form
    77,896.08/107,537.88 = 62,414.10/x
  3. Step 3: Cross multiply
    77,896.08x = 107,537.88 × 62,414.10
  4. Step 4: Simplify right side
    77,896.08x = 6,711,879,996.11
  5. Step 5: Solve for x
    x = 6,711,879,996.11/77,896.08
  6. Step 6: Final answer
    x = 86,164.54

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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.