Home / 108,261.75-162,425.43-49,081.53

Finding the Fourth Proportional to 108,261.75, 162,425.43 and 49,081.53

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Solution

The fourth proportional to 108,261.75, 162,425.43 and 49,081.53 is: 73,637.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,261.75 : 162,425.43 = 49,081.53 : x
  2. Step 2: Convert to fraction form
    108,261.75/162,425.43 = 49,081.53/x
  3. Step 3: Cross multiply
    108,261.75x = 162,425.43 × 49,081.53
  4. Step 4: Simplify right side
    108,261.75x = 7,972,088,615.31
  5. Step 5: Solve for x
    x = 7,972,088,615.31/108,261.75
  6. Step 6: Final answer
    x = 73,637.17

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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.