Home / 76,899.74-115,353.09-23,587.83

Finding the Fourth Proportional to 76,899.74, 115,353.09 and 23,587.83

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Solution

The fourth proportional to 76,899.74, 115,353.09 and 23,587.83 is: 35,382.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,899.74 : 115,353.09 = 23,587.83 : x
  2. Step 2: Convert to fraction form
    76,899.74/115,353.09 = 23,587.83/x
  3. Step 3: Cross multiply
    76,899.74x = 115,353.09 × 23,587.83
  4. Step 4: Simplify right side
    76,899.74x = 2,720,929,076.89
  5. Step 5: Solve for x
    x = 2,720,929,076.89/76,899.74
  6. Step 6: Final answer
    x = 35,382.81

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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.