Home / 104,919.41-157,425.59-54,987.57

Finding the Fourth Proportional to 104,919.41, 157,425.59 and 54,987.57

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Solution

The fourth proportional to 104,919.41, 157,425.59 and 54,987.57 is: 82,505.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,919.41 : 157,425.59 = 54,987.57 : x
  2. Step 2: Convert to fraction form
    104,919.41/157,425.59 = 54,987.57/x
  3. Step 3: Cross multiply
    104,919.41x = 157,425.59 × 54,987.57
  4. Step 4: Simplify right side
    104,919.41x = 8,656,449,587.85
  5. Step 5: Solve for x
    x = 8,656,449,587.85/104,919.41
  6. Step 6: Final answer
    x = 82,505.70

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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.