Home / 76,726.62-115,091.16-23,419.74

Finding the Fourth Proportional to 76,726.62, 115,091.16 and 23,419.74

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Solution

The fourth proportional to 76,726.62, 115,091.16 and 23,419.74 is: 35,129.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,726.62 : 115,091.16 = 23,419.74 : x
  2. Step 2: Convert to fraction form
    76,726.62/115,091.16 = 23,419.74/x
  3. Step 3: Cross multiply
    76,726.62x = 115,091.16 × 23,419.74
  4. Step 4: Simplify right side
    76,726.62x = 2,695,405,043.50
  5. Step 5: Solve for x
    x = 2,695,405,043.50/76,726.62
  6. Step 6: Final answer
    x = 35,129.99

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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.