Home / 90,488.44-124,879.95-52,249.60

Finding the Fourth Proportional to 90,488.44, 124,879.95 and 52,249.60

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Solution

The fourth proportional to 90,488.44, 124,879.95 and 52,249.60 is: 72,107.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,488.44 : 124,879.95 = 52,249.60 : x
  2. Step 2: Convert to fraction form
    90,488.44/124,879.95 = 52,249.60/x
  3. Step 3: Cross multiply
    90,488.44x = 124,879.95 × 52,249.60
  4. Step 4: Simplify right side
    90,488.44x = 6,524,927,387.35
  5. Step 5: Solve for x
    x = 6,524,927,387.35/90,488.44
  6. Step 6: Final answer
    x = 72,107.85

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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.