Home / 113,751.28-156,975.70-62,764.48

Finding the Fourth Proportional to 113,751.28, 156,975.70 and 62,764.48

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Solution

The fourth proportional to 113,751.28, 156,975.70 and 62,764.48 is: 86,614.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,751.28 : 156,975.70 = 62,764.48 : x
  2. Step 2: Convert to fraction form
    113,751.28/156,975.70 = 62,764.48/x
  3. Step 3: Cross multiply
    113,751.28x = 156,975.70 × 62,764.48
  4. Step 4: Simplify right side
    113,751.28x = 9,852,498,183.14
  5. Step 5: Solve for x
    x = 9,852,498,183.14/113,751.28
  6. Step 6: Final answer
    x = 86,614.39

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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.