Home / 104,914.49-144,781.95-57,167.79

Finding the Fourth Proportional to 104,914.49, 144,781.95 and 57,167.79

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Solution

The fourth proportional to 104,914.49, 144,781.95 and 57,167.79 is: 78,891.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,914.49 : 144,781.95 = 57,167.79 : x
  2. Step 2: Convert to fraction form
    104,914.49/144,781.95 = 57,167.79/x
  3. Step 3: Cross multiply
    104,914.49x = 144,781.95 × 57,167.79
  4. Step 4: Simplify right side
    104,914.49x = 8,276,864,113.39
  5. Step 5: Solve for x
    x = 8,276,864,113.39/104,914.49
  6. Step 6: Final answer
    x = 78,891.53

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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.