Home / 57,120.86-78,801.97-34,447.25

Finding the Fourth Proportional to 57,120.86, 78,801.97 and 34,447.25

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Solution

The fourth proportional to 57,120.86, 78,801.97 and 34,447.25 is: 47,522.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,120.86 : 78,801.97 = 34,447.25 : x
  2. Step 2: Convert to fraction form
    57,120.86/78,801.97 = 34,447.25/x
  3. Step 3: Cross multiply
    57,120.86x = 78,801.97 × 34,447.25
  4. Step 4: Simplify right side
    57,120.86x = 2,714,511,271.97
  5. Step 5: Solve for x
    x = 2,714,511,271.97/57,120.86
  6. Step 6: Final answer
    x = 47,522.24

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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.