Home / 62,871.72-86,761.26-34,577.40

Finding the Fourth Proportional to 62,871.72, 86,761.26 and 34,577.40

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Solution

The fourth proportional to 62,871.72, 86,761.26 and 34,577.40 is: 47,715.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,871.72 : 86,761.26 = 34,577.40 : x
  2. Step 2: Convert to fraction form
    62,871.72/86,761.26 = 34,577.40/x
  3. Step 3: Cross multiply
    62,871.72x = 86,761.26 × 34,577.40
  4. Step 4: Simplify right side
    62,871.72x = 2,999,978,791.52
  5. Step 5: Solve for x
    x = 2,999,978,791.52/62,871.72
  6. Step 6: Final answer
    x = 47,715.87

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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.