Home / 104,943.20-144,824.78-57,199.64

Finding the Fourth Proportional to 104,943.20, 144,824.78 and 57,199.64

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Solution

The fourth proportional to 104,943.20, 144,824.78 and 57,199.64 is: 78,937.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,943.20 : 144,824.78 = 57,199.64 : x
  2. Step 2: Convert to fraction form
    104,943.20/144,824.78 = 57,199.64/x
  3. Step 3: Cross multiply
    104,943.20x = 144,824.78 × 57,199.64
  4. Step 4: Simplify right side
    104,943.20x = 8,283,924,993.08
  5. Step 5: Solve for x
    x = 8,283,924,993.08/104,943.20
  6. Step 6: Final answer
    x = 78,937.23

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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.