Home / 73,709.16-101,718.64-41,878.10

Finding the Fourth Proportional to 73,709.16, 101,718.64 and 41,878.10

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Solution

The fourth proportional to 73,709.16, 101,718.64 and 41,878.10 is: 57,791.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,709.16 : 101,718.64 = 41,878.10 : x
  2. Step 2: Convert to fraction form
    73,709.16/101,718.64 = 41,878.10/x
  3. Step 3: Cross multiply
    73,709.16x = 101,718.64 × 41,878.10
  4. Step 4: Simplify right side
    73,709.16x = 4,259,783,377.78
  5. Step 5: Solve for x
    x = 4,259,783,377.78/73,709.16
  6. Step 6: Final answer
    x = 57,791.78

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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.