Home / 108,006.11-149,055.60-60,260.50

Finding the Fourth Proportional to 108,006.11, 149,055.60 and 60,260.50

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Solution

The fourth proportional to 108,006.11, 149,055.60 and 60,260.50 is: 83,163.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,006.11 : 149,055.60 = 60,260.50 : x
  2. Step 2: Convert to fraction form
    108,006.11/149,055.60 = 60,260.50/x
  3. Step 3: Cross multiply
    108,006.11x = 149,055.60 × 60,260.50
  4. Step 4: Simplify right side
    108,006.11x = 8,982,164,238.52
  5. Step 5: Solve for x
    x = 8,982,164,238.52/108,006.11
  6. Step 6: Final answer
    x = 83,163.48

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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.