Home / 104,542.90-144,268.43-56,796.64

Finding the Fourth Proportional to 104,542.90, 144,268.43 and 56,796.64

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Solution

The fourth proportional to 104,542.90, 144,268.43 and 56,796.64 is: 78,378.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,542.90 : 144,268.43 = 56,796.64 : x
  2. Step 2: Convert to fraction form
    104,542.90/144,268.43 = 56,796.64/x
  3. Step 3: Cross multiply
    104,542.90x = 144,268.43 × 56,796.64
  4. Step 4: Simplify right side
    104,542.90x = 8,193,962,224.07
  5. Step 5: Solve for x
    x = 8,193,962,224.07/104,542.90
  6. Step 6: Final answer
    x = 78,378.95

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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.