Home / 108,433.26-149,637.87-60,686.60

Finding the Fourth Proportional to 108,433.26, 149,637.87 and 60,686.60

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Solution

The fourth proportional to 108,433.26, 149,637.87 and 60,686.60 is: 83,747.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,433.26 : 149,637.87 = 60,686.60 : x
  2. Step 2: Convert to fraction form
    108,433.26/149,637.87 = 60,686.60/x
  3. Step 3: Cross multiply
    108,433.26x = 149,637.87 × 60,686.60
  4. Step 4: Simplify right side
    108,433.26x = 9,081,013,561.54
  5. Step 5: Solve for x
    x = 9,081,013,561.54/108,433.26
  6. Step 6: Final answer
    x = 83,747.50

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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.