Home / 77,849.51-107,449.80-50,976.41

Finding the Fourth Proportional to 77,849.51, 107,449.80 and 50,976.41

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Solution

The fourth proportional to 77,849.51, 107,449.80 and 50,976.41 is: 70,358.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,849.51 : 107,449.80 = 50,976.41 : x
  2. Step 2: Convert to fraction form
    77,849.51/107,449.80 = 50,976.41/x
  3. Step 3: Cross multiply
    77,849.51x = 107,449.80 × 50,976.41
  4. Step 4: Simplify right side
    77,849.51x = 5,477,404,521.97
  5. Step 5: Solve for x
    x = 5,477,404,521.97/77,849.51
  6. Step 6: Final answer
    x = 70,358.89

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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.