Home / 113,756.08-156,976.31-62,769.22

Finding the Fourth Proportional to 113,756.08, 156,976.31 and 62,769.22

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Solution

The fourth proportional to 113,756.08, 156,976.31 and 62,769.22 is: 86,617.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,756.08 : 156,976.31 = 62,769.22 : x
  2. Step 2: Convert to fraction form
    113,756.08/156,976.31 = 62,769.22/x
  3. Step 3: Cross multiply
    113,756.08x = 156,976.31 × 62,769.22
  4. Step 4: Simplify right side
    113,756.08x = 9,853,280,223.33
  5. Step 5: Solve for x
    x = 9,853,280,223.33/113,756.08
  6. Step 6: Final answer
    x = 86,617.61

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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.