Home / 121,551.83-182,314.09-46,619.41

Finding the Fourth Proportional to 121,551.83, 182,314.09 and 46,619.41

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Solution

The fourth proportional to 121,551.83, 182,314.09 and 46,619.41 is: 69,923.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,551.83 : 182,314.09 = 46,619.41 : x
  2. Step 2: Convert to fraction form
    121,551.83/182,314.09 = 46,619.41/x
  3. Step 3: Cross multiply
    121,551.83x = 182,314.09 × 46,619.41
  4. Step 4: Simplify right side
    121,551.83x = 8,499,375,310.49
  5. Step 5: Solve for x
    x = 8,499,375,310.49/121,551.83
  6. Step 6: Final answer
    x = 69,923.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.