Home / 77,910.44-107,498.09-47,282.85

Finding the Fourth Proportional to 77,910.44, 107,498.09 and 47,282.85

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Solution

The fourth proportional to 77,910.44, 107,498.09 and 47,282.85 is: 65,239.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,910.44 : 107,498.09 = 47,282.85 : x
  2. Step 2: Convert to fraction form
    77,910.44/107,498.09 = 47,282.85/x
  3. Step 3: Cross multiply
    77,910.44x = 107,498.09 × 47,282.85
  4. Step 4: Simplify right side
    77,910.44x = 5,082,816,333.50
  5. Step 5: Solve for x
    x = 5,082,816,333.50/77,910.44
  6. Step 6: Final answer
    x = 65,239.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.