Home / 76,748.83-115,201.77-63,379.24

Finding the Fourth Proportional to 76,748.83, 115,201.77 and 63,379.24

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Solution

The fourth proportional to 76,748.83, 115,201.77 and 63,379.24 is: 95,133.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,748.83 : 115,201.77 = 63,379.24 : x
  2. Step 2: Convert to fraction form
    76,748.83/115,201.77 = 63,379.24/x
  3. Step 3: Cross multiply
    76,748.83x = 115,201.77 × 63,379.24
  4. Step 4: Simplify right side
    76,748.83x = 7,301,400,629.25
  5. Step 5: Solve for x
    x = 7,301,400,629.25/76,748.83
  6. Step 6: Final answer
    x = 95,133.71

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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.