Home / 75,097.17-103,523.67-57,160.95

Finding the Fourth Proportional to 75,097.17, 103,523.67 and 57,160.95

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Solution

The fourth proportional to 75,097.17, 103,523.67 and 57,160.95 is: 78,798.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,097.17 : 103,523.67 = 57,160.95 : x
  2. Step 2: Convert to fraction form
    75,097.17/103,523.67 = 57,160.95/x
  3. Step 3: Cross multiply
    75,097.17x = 103,523.67 × 57,160.95
  4. Step 4: Simplify right side
    75,097.17x = 5,917,511,324.69
  5. Step 5: Solve for x
    x = 5,917,511,324.69/75,097.17
  6. Step 6: Final answer
    x = 78,798.06

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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.