Home / 91,695.38-126,539.96-53,481.31

Finding the Fourth Proportional to 91,695.38, 126,539.96 and 53,481.31

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Solution

The fourth proportional to 91,695.38, 126,539.96 and 53,481.31 is: 73,804.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,695.38 : 126,539.96 = 53,481.31 : x
  2. Step 2: Convert to fraction form
    91,695.38/126,539.96 = 53,481.31/x
  3. Step 3: Cross multiply
    91,695.38x = 126,539.96 × 53,481.31
  4. Step 4: Simplify right side
    91,695.38x = 6,767,523,407.43
  5. Step 5: Solve for x
    x = 6,767,523,407.43/91,695.38
  6. Step 6: Final answer
    x = 73,804.41

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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.