Home / 111,608.74-153,976.44-63,836.56

Finding the Fourth Proportional to 111,608.74, 153,976.44 and 63,836.56

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Solution

The fourth proportional to 111,608.74, 153,976.44 and 63,836.56 is: 88,069.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,608.74 : 153,976.44 = 63,836.56 : x
  2. Step 2: Convert to fraction form
    111,608.74/153,976.44 = 63,836.56/x
  3. Step 3: Cross multiply
    111,608.74x = 153,976.44 × 63,836.56
  4. Step 4: Simplify right side
    111,608.74x = 9,829,326,250.65
  5. Step 5: Solve for x
    x = 9,829,326,250.65/111,608.74
  6. Step 6: Final answer
    x = 88,069.50

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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.