Home / 104,120.97-143,686.28-56,374.17

Finding the Fourth Proportional to 104,120.97, 143,686.28 and 56,374.17

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Solution

The fourth proportional to 104,120.97, 143,686.28 and 56,374.17 is: 77,796.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,120.97 : 143,686.28 = 56,374.17 : x
  2. Step 2: Convert to fraction form
    104,120.97/143,686.28 = 56,374.17/x
  3. Step 3: Cross multiply
    104,120.97x = 143,686.28 × 56,374.17
  4. Step 4: Simplify right side
    104,120.97x = 8,100,194,493.52
  5. Step 5: Solve for x
    x = 8,100,194,493.52/104,120.97
  6. Step 6: Final answer
    x = 77,796.00

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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.