Home / 114,739.56-158,344.92-63,756

Finding the Fourth Proportional to 114,739.56, 158,344.92 and 63,756

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Solution

The fourth proportional to 114,739.56, 158,344.92 and 63,756 is: 87,985.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,739.56 : 158,344.92 = 63,756 : x
  2. Step 2: Convert to fraction form
    114,739.56/158,344.92 = 63,756/x
  3. Step 3: Cross multiply
    114,739.56x = 158,344.92 × 63,756
  4. Step 4: Simplify right side
    114,739.56x = 10,095,438,719.52
  5. Step 5: Solve for x
    x = 10,095,438,719.52/114,739.56
  6. Step 6: Final answer
    x = 87,985.68

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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.