Home / 76,999.30-106,257.91-43,008.27

Finding the Fourth Proportional to 76,999.30, 106,257.91 and 43,008.27

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Solution

The fourth proportional to 76,999.30, 106,257.91 and 43,008.27 is: 59,350.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,999.30 : 106,257.91 = 43,008.27 : x
  2. Step 2: Convert to fraction form
    76,999.30/106,257.91 = 43,008.27/x
  3. Step 3: Cross multiply
    76,999.30x = 106,257.91 × 43,008.27
  4. Step 4: Simplify right side
    76,999.30x = 4,569,968,882.92
  5. Step 5: Solve for x
    x = 4,569,968,882.92/76,999.30
  6. Step 6: Final answer
    x = 59,350.79

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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.