Home / 123,949.11-171,051.62-67,360.53

Finding the Fourth Proportional to 123,949.11, 171,051.62 and 67,360.53

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Solution

The fourth proportional to 123,949.11, 171,051.62 and 67,360.53 is: 92,958.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,949.11 : 171,051.62 = 67,360.53 : x
  2. Step 2: Convert to fraction form
    123,949.11/171,051.62 = 67,360.53/x
  3. Step 3: Cross multiply
    123,949.11x = 171,051.62 × 67,360.53
  4. Step 4: Simplify right side
    123,949.11x = 11,522,127,443.76
  5. Step 5: Solve for x
    x = 11,522,127,443.76/123,949.11
  6. Step 6: Final answer
    x = 92,958.53

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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.