Home / 104,542.85-144,268.89-56,795.78

Finding the Fourth Proportional to 104,542.85, 144,268.89 and 56,795.78

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Solution

The fourth proportional to 104,542.85, 144,268.89 and 56,795.78 is: 78,378.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,542.85 : 144,268.89 = 56,795.78 : x
  2. Step 2: Convert to fraction form
    104,542.85/144,268.89 = 56,795.78/x
  3. Step 3: Cross multiply
    104,542.85x = 144,268.89 × 56,795.78
  4. Step 4: Simplify right side
    104,542.85x = 8,193,864,137.28
  5. Step 5: Solve for x
    x = 8,193,864,137.28/104,542.85
  6. Step 6: Final answer
    x = 78,378.04

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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.