Home / 108,486.76-149,727.42-60,743.18

Finding the Fourth Proportional to 108,486.76, 149,727.42 and 60,743.18

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Solution

The fourth proportional to 108,486.76, 149,727.42 and 60,743.18 is: 83,834.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,486.76 : 149,727.42 = 60,743.18 : x
  2. Step 2: Convert to fraction form
    108,486.76/149,727.42 = 60,743.18/x
  3. Step 3: Cross multiply
    108,486.76x = 149,727.42 × 60,743.18
  4. Step 4: Simplify right side
    108,486.76x = 9,094,919,624.00
  5. Step 5: Solve for x
    x = 9,094,919,624.00/108,486.76
  6. Step 6: Final answer
    x = 83,834.37

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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.