Home / 57,144.24-78,849.68-35,908.48

Finding the Fourth Proportional to 57,144.24, 78,849.68 and 35,908.48

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Solution

The fourth proportional to 57,144.24, 78,849.68 and 35,908.48 is: 49,547.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,144.24 : 78,849.68 = 35,908.48 : x
  2. Step 2: Convert to fraction form
    57,144.24/78,849.68 = 35,908.48/x
  3. Step 3: Cross multiply
    57,144.24x = 78,849.68 × 35,908.48
  4. Step 4: Simplify right side
    57,144.24x = 2,831,372,157.29
  5. Step 5: Solve for x
    x = 2,831,372,157.29/57,144.24
  6. Step 6: Final answer
    x = 49,547.81

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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.