Home / 96,879.48-145,321.98-26,758.80

Finding the Fourth Proportional to 96,879.48, 145,321.98 and 26,758.80

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Solution

The fourth proportional to 96,879.48, 145,321.98 and 26,758.80 is: 40,138.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,879.48 : 145,321.98 = 26,758.80 : x
  2. Step 2: Convert to fraction form
    96,879.48/145,321.98 = 26,758.80/x
  3. Step 3: Cross multiply
    96,879.48x = 145,321.98 × 26,758.80
  4. Step 4: Simplify right side
    96,879.48x = 3,888,641,798.42
  5. Step 5: Solve for x
    x = 3,888,641,798.42/96,879.48
  6. Step 6: Final answer
    x = 40,138.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.