Home / 104,984.62-144,877.38-57,237.88

Finding the Fourth Proportional to 104,984.62, 144,877.38 and 57,237.88

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Solution

The fourth proportional to 104,984.62, 144,877.38 and 57,237.88 is: 78,987.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,984.62 : 144,877.38 = 57,237.88 : x
  2. Step 2: Convert to fraction form
    104,984.62/144,877.38 = 57,237.88/x
  3. Step 3: Cross multiply
    104,984.62x = 144,877.38 × 57,237.88
  4. Step 4: Simplify right side
    104,984.62x = 8,292,474,091.15
  5. Step 5: Solve for x
    x = 8,292,474,091.15/104,984.62
  6. Step 6: Final answer
    x = 78,987.51

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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.