Home / 108,418.73-149,617.84-60,681.29

Finding the Fourth Proportional to 108,418.73, 149,617.84 and 60,681.29

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Solution

The fourth proportional to 108,418.73, 149,617.84 and 60,681.29 is: 83,740.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,418.73 : 149,617.84 = 60,681.29 : x
  2. Step 2: Convert to fraction form
    108,418.73/149,617.84 = 60,681.29/x
  3. Step 3: Cross multiply
    108,418.73x = 149,617.84 × 60,681.29
  4. Step 4: Simplify right side
    108,418.73x = 9,079,003,234.81
  5. Step 5: Solve for x
    x = 9,079,003,234.81/108,418.73
  6. Step 6: Final answer
    x = 83,740.17

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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.