Home / 75,565.41-113,327.60-39,978.33

Finding the Fourth Proportional to 75,565.41, 113,327.60 and 39,978.33

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Solution

The fourth proportional to 75,565.41, 113,327.60 and 39,978.33 is: 59,956.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,565.41 : 113,327.60 = 39,978.33 : x
  2. Step 2: Convert to fraction form
    75,565.41/113,327.60 = 39,978.33/x
  3. Step 3: Cross multiply
    75,565.41x = 113,327.60 × 39,978.33
  4. Step 4: Simplify right side
    75,565.41x = 4,530,647,991.02
  5. Step 5: Solve for x
    x = 4,530,647,991.02/75,565.41
  6. Step 6: Final answer
    x = 59,956.64

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1.5x scale

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.