Home / 108,136.82-149,229.14-60,391.98

Finding the Fourth Proportional to 108,136.82, 149,229.14 and 60,391.98

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Solution

The fourth proportional to 108,136.82, 149,229.14 and 60,391.98 is: 83,341.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,136.82 : 149,229.14 = 60,391.98 : x
  2. Step 2: Convert to fraction form
    108,136.82/149,229.14 = 60,391.98/x
  3. Step 3: Cross multiply
    108,136.82x = 149,229.14 × 60,391.98
  4. Step 4: Simplify right side
    108,136.82x = 9,012,242,936.34
  5. Step 5: Solve for x
    x = 9,012,242,936.34/108,136.82
  6. Step 6: Final answer
    x = 83,341.11

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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.