Home / 108,512.46-149,739.93-60,111.11

Finding the Fourth Proportional to 108,512.46, 149,739.93 and 60,111.11

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Solution

The fourth proportional to 108,512.46, 149,739.93 and 60,111.11 is: 82,949.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,512.46 : 149,739.93 = 60,111.11 : x
  2. Step 2: Convert to fraction form
    108,512.46/149,739.93 = 60,111.11/x
  3. Step 3: Cross multiply
    108,512.46x = 149,739.93 × 60,111.11
  4. Step 4: Simplify right side
    108,512.46x = 9,001,033,403.62
  5. Step 5: Solve for x
    x = 9,001,033,403.62/108,512.46
  6. Step 6: Final answer
    x = 82,949.31

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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.