Home / 108,431.40-162,570.30-41,845.80

Finding the Fourth Proportional to 108,431.40, 162,570.30 and 41,845.80

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Solution

The fourth proportional to 108,431.40, 162,570.30 and 41,845.80 is: 62,739.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,431.40 : 162,570.30 = 41,845.80 : x
  2. Step 2: Convert to fraction form
    108,431.40/162,570.30 = 41,845.80/x
  3. Step 3: Cross multiply
    108,431.40x = 162,570.30 × 41,845.80
  4. Step 4: Simplify right side
    108,431.40x = 6,802,884,259.74
  5. Step 5: Solve for x
    x = 6,802,884,259.74/108,431.40
  6. Step 6: Final answer
    x = 62,739.06

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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.