Home / 108,218.33-149,338.43-60,472.07

Finding the Fourth Proportional to 108,218.33, 149,338.43 and 60,472.07

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Solution

The fourth proportional to 108,218.33, 149,338.43 and 60,472.07 is: 83,449.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,218.33 : 149,338.43 = 60,472.07 : x
  2. Step 2: Convert to fraction form
    108,218.33/149,338.43 = 60,472.07/x
  3. Step 3: Cross multiply
    108,218.33x = 149,338.43 × 60,472.07
  4. Step 4: Simplify right side
    108,218.33x = 9,030,804,517.18
  5. Step 5: Solve for x
    x = 9,030,804,517.18/108,218.33
  6. Step 6: Final answer
    x = 83,449.86

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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.