Home / 84,731.13-126,896.27-73,577.22

Finding the Fourth Proportional to 84,731.13, 126,896.27 and 73,577.22

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Solution

The fourth proportional to 84,731.13, 126,896.27 and 73,577.22 is: 110,191.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,731.13 : 126,896.27 = 73,577.22 : x
  2. Step 2: Convert to fraction form
    84,731.13/126,896.27 = 73,577.22/x
  3. Step 3: Cross multiply
    84,731.13x = 126,896.27 × 73,577.22
  4. Step 4: Simplify right side
    84,731.13x = 9,336,674,407.08
  5. Step 5: Solve for x
    x = 9,336,674,407.08/84,731.13
  6. Step 6: Final answer
    x = 110,191.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.