Home / 108,040.30-161,853.90-58,103.80

Finding the Fourth Proportional to 108,040.30, 161,853.90 and 58,103.80

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Solution

The fourth proportional to 108,040.30, 161,853.90 and 58,103.80 is: 87,044.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,040.30 : 161,853.90 = 58,103.80 : x
  2. Step 2: Convert to fraction form
    108,040.30/161,853.90 = 58,103.80/x
  3. Step 3: Cross multiply
    108,040.30x = 161,853.90 × 58,103.80
  4. Step 4: Simplify right side
    108,040.30x = 9,404,326,634.82
  5. Step 5: Solve for x
    x = 9,404,326,634.82/108,040.30
  6. Step 6: Final answer
    x = 87,044.62

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1.5x scale

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.