Home / 77,814.06-107,351.91-49,514.46

Finding the Fourth Proportional to 77,814.06, 107,351.91 and 49,514.46

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Solution

The fourth proportional to 77,814.06, 107,351.91 and 49,514.46 is: 68,309.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,814.06 : 107,351.91 = 49,514.46 : x
  2. Step 2: Convert to fraction form
    77,814.06/107,351.91 = 49,514.46/x
  3. Step 3: Cross multiply
    77,814.06x = 107,351.91 × 49,514.46
  4. Step 4: Simplify right side
    77,814.06x = 5,315,471,853.62
  5. Step 5: Solve for x
    x = 5,315,471,853.62/77,814.06
  6. Step 6: Final answer
    x = 68,309.92

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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.