Home / 75,600.42-104,315.13-43,767.78

Finding the Fourth Proportional to 75,600.42, 104,315.13 and 43,767.78

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Solution

The fourth proportional to 75,600.42, 104,315.13 and 43,767.78 is: 60,391.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,600.42 : 104,315.13 = 43,767.78 : x
  2. Step 2: Convert to fraction form
    75,600.42/104,315.13 = 43,767.78/x
  3. Step 3: Cross multiply
    75,600.42x = 104,315.13 × 43,767.78
  4. Step 4: Simplify right side
    75,600.42x = 4,565,641,660.51
  5. Step 5: Solve for x
    x = 4,565,641,660.51/75,600.42
  6. Step 6: Final answer
    x = 60,391.75

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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.