Home / 77,616.29-116,327.04-33,190.80

Finding the Fourth Proportional to 77,616.29, 116,327.04 and 33,190.80

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Solution

The fourth proportional to 77,616.29, 116,327.04 and 33,190.80 is: 49,744.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,616.29 : 116,327.04 = 33,190.80 : x
  2. Step 2: Convert to fraction form
    77,616.29/116,327.04 = 33,190.80/x
  3. Step 3: Cross multiply
    77,616.29x = 116,327.04 × 33,190.80
  4. Step 4: Simplify right side
    77,616.29x = 3,860,987,799.58
  5. Step 5: Solve for x
    x = 3,860,987,799.58/77,616.29
  6. Step 6: Final answer
    x = 49,744.55

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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.