Home / 108,556.11-149,790.02-60,811.47

Finding the Fourth Proportional to 108,556.11, 149,790.02 and 60,811.47

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Solution

The fourth proportional to 108,556.11, 149,790.02 and 60,811.47 is: 83,910.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,556.11 : 149,790.02 = 60,811.47 : x
  2. Step 2: Convert to fraction form
    108,556.11/149,790.02 = 60,811.47/x
  3. Step 3: Cross multiply
    108,556.11x = 149,790.02 × 60,811.47
  4. Step 4: Simplify right side
    108,556.11x = 9,108,951,003.47
  5. Step 5: Solve for x
    x = 9,108,951,003.47/108,556.11
  6. Step 6: Final answer
    x = 83,910.07

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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.