Home / 77,169.03-115,729.95-27,237.48

Finding the Fourth Proportional to 77,169.03, 115,729.95 and 27,237.48

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Solution

The fourth proportional to 77,169.03, 115,729.95 and 27,237.48 is: 40,847.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,169.03 : 115,729.95 = 27,237.48 : x
  2. Step 2: Convert to fraction form
    77,169.03/115,729.95 = 27,237.48/x
  3. Step 3: Cross multiply
    77,169.03x = 115,729.95 × 27,237.48
  4. Step 4: Simplify right side
    77,169.03x = 3,152,192,198.53
  5. Step 5: Solve for x
    x = 3,152,192,198.53/77,169.03
  6. Step 6: Final answer
    x = 40,847.89

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1.5x scale

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.