Home / 75,761.15-104,511.95-57,825.02

Finding the Fourth Proportional to 75,761.15, 104,511.95 and 57,825.02

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Solution

The fourth proportional to 75,761.15, 104,511.95 and 57,825.02 is: 79,769.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,761.15 : 104,511.95 = 57,825.02 : x
  2. Step 2: Convert to fraction form
    75,761.15/104,511.95 = 57,825.02/x
  3. Step 3: Cross multiply
    75,761.15x = 104,511.95 × 57,825.02
  4. Step 4: Simplify right side
    75,761.15x = 6,043,405,076.43
  5. Step 5: Solve for x
    x = 6,043,405,076.43/75,761.15
  6. Step 6: Final answer
    x = 79,769.18

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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.