Home / 76,705.11-115,054.92-26,785.01

Finding the Fourth Proportional to 76,705.11, 115,054.92 and 26,785.01

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Solution

The fourth proportional to 76,705.11, 115,054.92 and 26,785.01 is: 40,176.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,705.11 : 115,054.92 = 26,785.01 : x
  2. Step 2: Convert to fraction form
    76,705.11/115,054.92 = 26,785.01/x
  3. Step 3: Cross multiply
    76,705.11x = 115,054.92 × 26,785.01
  4. Step 4: Simplify right side
    76,705.11x = 3,081,747,470.39
  5. Step 5: Solve for x
    x = 3,081,747,470.39/76,705.11
  6. Step 6: Final answer
    x = 40,176.56

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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.