Home / 84,731.37-126,896.65-73,577.47

Finding the Fourth Proportional to 84,731.37, 126,896.65 and 73,577.47

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Solution

The fourth proportional to 84,731.37, 126,896.65 and 73,577.47 is: 110,192.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,731.37 : 126,896.65 = 73,577.47 : x
  2. Step 2: Convert to fraction form
    84,731.37/126,896.65 = 73,577.47/x
  3. Step 3: Cross multiply
    84,731.37x = 126,896.65 × 73,577.47
  4. Step 4: Simplify right side
    84,731.37x = 9,336,734,458.48
  5. Step 5: Solve for x
    x = 9,336,734,458.48/84,731.37
  6. Step 6: Final answer
    x = 110,192.18

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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.