Home / 75,771.42-104,565.30-41,781.15

Finding the Fourth Proportional to 75,771.42, 104,565.30 and 41,781.15

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Solution

The fourth proportional to 75,771.42, 104,565.30 and 41,781.15 is: 57,658.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,771.42 : 104,565.30 = 41,781.15 : x
  2. Step 2: Convert to fraction form
    75,771.42/104,565.30 = 41,781.15/x
  3. Step 3: Cross multiply
    75,771.42x = 104,565.30 × 41,781.15
  4. Step 4: Simplify right side
    75,771.42x = 4,368,858,484.10
  5. Step 5: Solve for x
    x = 4,368,858,484.10/75,771.42
  6. Step 6: Final answer
    x = 57,658.40

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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.