Home / 57,143.24-78,848.30-35,907.48

Finding the Fourth Proportional to 57,143.24, 78,848.30 and 35,907.48

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Solution

The fourth proportional to 57,143.24, 78,848.30 and 35,907.48 is: 49,546.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,143.24 : 78,848.30 = 35,907.48 : x
  2. Step 2: Convert to fraction form
    57,143.24/78,848.30 = 35,907.48/x
  3. Step 3: Cross multiply
    57,143.24x = 78,848.30 × 35,907.48
  4. Step 4: Simplify right side
    57,143.24x = 2,831,243,755.28
  5. Step 5: Solve for x
    x = 2,831,243,755.28/57,143.24
  6. Step 6: Final answer
    x = 49,546.43

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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.