Home / 115,804.04-159,682.66-75,442.95

Finding the Fourth Proportional to 115,804.04, 159,682.66 and 75,442.95

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Solution

The fourth proportional to 115,804.04, 159,682.66 and 75,442.95 is: 104,028.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,804.04 : 159,682.66 = 75,442.95 : x
  2. Step 2: Convert to fraction form
    115,804.04/159,682.66 = 75,442.95/x
  3. Step 3: Cross multiply
    115,804.04x = 159,682.66 × 75,442.95
  4. Step 4: Simplify right side
    115,804.04x = 12,046,930,745.64
  5. Step 5: Solve for x
    x = 12,046,930,745.64/115,804.04
  6. Step 6: Final answer
    x = 104,028.59

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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.