Home / 57,193.04-85,671.48-42,418.64

Finding the Fourth Proportional to 57,193.04, 85,671.48 and 42,418.64

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Solution

The fourth proportional to 57,193.04, 85,671.48 and 42,418.64 is: 63,540.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,193.04 : 85,671.48 = 42,418.64 : x
  2. Step 2: Convert to fraction form
    57,193.04/85,671.48 = 42,418.64/x
  3. Step 3: Cross multiply
    57,193.04x = 85,671.48 × 42,418.64
  4. Step 4: Simplify right side
    57,193.04x = 3,634,067,668.39
  5. Step 5: Solve for x
    x = 3,634,067,668.39/57,193.04
  6. Step 6: Final answer
    x = 63,540.38

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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.