Home / 77,612.60-116,321.50-33,187.12

Finding the Fourth Proportional to 77,612.60, 116,321.50 and 33,187.12

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Solution

The fourth proportional to 77,612.60, 116,321.50 and 33,187.12 is: 49,739.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,612.60 : 116,321.50 = 33,187.12 : x
  2. Step 2: Convert to fraction form
    77,612.60/116,321.50 = 33,187.12/x
  3. Step 3: Cross multiply
    77,612.60x = 116,321.50 × 33,187.12
  4. Step 4: Simplify right side
    77,612.60x = 3,860,375,579.08
  5. Step 5: Solve for x
    x = 3,860,375,579.08/77,612.60
  6. Step 6: Final answer
    x = 49,739.03

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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.