Home / 77,511.58-116,279.55-33,138.56

Finding the Fourth Proportional to 77,511.58, 116,279.55 and 33,138.56

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Solution

The fourth proportional to 77,511.58, 116,279.55 and 33,138.56 is: 49,713.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,511.58 : 116,279.55 = 33,138.56 : x
  2. Step 2: Convert to fraction form
    77,511.58/116,279.55 = 33,138.56/x
  3. Step 3: Cross multiply
    77,511.58x = 116,279.55 × 33,138.56
  4. Step 4: Simplify right side
    77,511.58x = 3,853,337,135.15
  5. Step 5: Solve for x
    x = 3,853,337,135.15/77,511.58
  6. Step 6: Final answer
    x = 49,713.05

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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.