Home / 108,442.72-149,633.08-68,127.94

Finding the Fourth Proportional to 108,442.72, 149,633.08 and 68,127.94

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Solution

The fourth proportional to 108,442.72, 149,633.08 and 68,127.94 is: 94,005.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,442.72 : 149,633.08 = 68,127.94 : x
  2. Step 2: Convert to fraction form
    108,442.72/149,633.08 = 68,127.94/x
  3. Step 3: Cross multiply
    108,442.72x = 149,633.08 × 68,127.94
  4. Step 4: Simplify right side
    108,442.72x = 10,194,193,496.26
  5. Step 5: Solve for x
    x = 10,194,193,496.26/108,442.72
  6. Step 6: Final answer
    x = 94,005.33

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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.