Home / 57,440.76-86,108.04-30,805.26

Finding the Fourth Proportional to 57,440.76, 86,108.04 and 30,805.26

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Solution

The fourth proportional to 57,440.76, 86,108.04 and 30,805.26 is: 46,179.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,440.76 : 86,108.04 = 30,805.26 : x
  2. Step 2: Convert to fraction form
    57,440.76/86,108.04 = 30,805.26/x
  3. Step 3: Cross multiply
    57,440.76x = 86,108.04 × 30,805.26
  4. Step 4: Simplify right side
    57,440.76x = 2,652,580,635.10
  5. Step 5: Solve for x
    x = 2,652,580,635.10/57,440.76
  6. Step 6: Final answer
    x = 46,179.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.