Home / 104,824.72-144,656.04-57,078.64

Finding the Fourth Proportional to 104,824.72, 144,656.04 and 57,078.64

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Solution

The fourth proportional to 104,824.72, 144,656.04 and 57,078.64 is: 78,767.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,824.72 : 144,656.04 = 57,078.64 : x
  2. Step 2: Convert to fraction form
    104,824.72/144,656.04 = 57,078.64/x
  3. Step 3: Cross multiply
    104,824.72x = 144,656.04 × 57,078.64
  4. Step 4: Simplify right side
    104,824.72x = 8,256,770,030.99
  5. Step 5: Solve for x
    x = 8,256,770,030.99/104,824.72
  6. Step 6: Final answer
    x = 78,767.39

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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.