Home / 79,407.38-119,085.92-26,090.60

Finding the Fourth Proportional to 79,407.38, 119,085.92 and 26,090.60

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Solution

The fourth proportional to 79,407.38, 119,085.92 and 26,090.60 is: 39,127.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,407.38 : 119,085.92 = 26,090.60 : x
  2. Step 2: Convert to fraction form
    79,407.38/119,085.92 = 26,090.60/x
  3. Step 3: Cross multiply
    79,407.38x = 119,085.92 × 26,090.60
  4. Step 4: Simplify right side
    79,407.38x = 3,107,023,104.35
  5. Step 5: Solve for x
    x = 3,107,023,104.35/79,407.38
  6. Step 6: Final answer
    x = 39,127.64

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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.