Home / 77,404.06-106,821.91-58,249.38

Finding the Fourth Proportional to 77,404.06, 106,821.91 and 58,249.38

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Solution

The fourth proportional to 77,404.06, 106,821.91 and 58,249.38 is: 80,387.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,404.06 : 106,821.91 = 58,249.38 : x
  2. Step 2: Convert to fraction form
    77,404.06/106,821.91 = 58,249.38/x
  3. Step 3: Cross multiply
    77,404.06x = 106,821.91 × 58,249.38
  4. Step 4: Simplify right side
    77,404.06x = 6,222,310,027.92
  5. Step 5: Solve for x
    x = 6,222,310,027.92/77,404.06
  6. Step 6: Final answer
    x = 80,387.39

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1.5x scale

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.