Home / 71,029.11-98,017.61-39,197.33

Finding the Fourth Proportional to 71,029.11, 98,017.61 and 39,197.33

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Solution

The fourth proportional to 71,029.11, 98,017.61 and 39,197.33 is: 54,090.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,029.11 : 98,017.61 = 39,197.33 : x
  2. Step 2: Convert to fraction form
    71,029.11/98,017.61 = 39,197.33/x
  3. Step 3: Cross multiply
    71,029.11x = 98,017.61 × 39,197.33
  4. Step 4: Simplify right side
    71,029.11x = 3,842,027,918.91
  5. Step 5: Solve for x
    x = 3,842,027,918.91/71,029.11
  6. Step 6: Final answer
    x = 54,090.89

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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.