Home / 76,790.39-115,201.24-43,525.31

Finding the Fourth Proportional to 76,790.39, 115,201.24 and 43,525.31

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Solution

The fourth proportional to 76,790.39, 115,201.24 and 43,525.31 is: 65,296.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,790.39 : 115,201.24 = 43,525.31 : x
  2. Step 2: Convert to fraction form
    76,790.39/115,201.24 = 43,525.31/x
  3. Step 3: Cross multiply
    76,790.39x = 115,201.24 × 43,525.31
  4. Step 4: Simplify right side
    76,790.39x = 5,014,169,683.38
  5. Step 5: Solve for x
    x = 5,014,169,683.38/76,790.39
  6. Step 6: Final answer
    x = 65,296.84

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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.