Home / 108,040.80-161,854.65-58,104.30

Finding the Fourth Proportional to 108,040.80, 161,854.65 and 58,104.30

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Solution

The fourth proportional to 108,040.80, 161,854.65 and 58,104.30 is: 87,045.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,040.80 : 161,854.65 = 58,104.30 : x
  2. Step 2: Convert to fraction form
    108,040.80/161,854.65 = 58,104.30/x
  3. Step 3: Cross multiply
    108,040.80x = 161,854.65 × 58,104.30
  4. Step 4: Simplify right side
    108,040.80x = 9,404,451,140.00
  5. Step 5: Solve for x
    x = 9,404,451,140.00/108,040.80
  6. Step 6: Final answer
    x = 87,045.37

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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.