Home / 43,074.60-64,611.87-13,494.75

Finding the Fourth Proportional to 43,074.60, 64,611.87 and 13,494.75

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Solution

The fourth proportional to 43,074.60, 64,611.87 and 13,494.75 is: 20,242.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,074.60 : 64,611.87 = 13,494.75 : x
  2. Step 2: Convert to fraction form
    43,074.60/64,611.87 = 13,494.75/x
  3. Step 3: Cross multiply
    43,074.60x = 64,611.87 × 13,494.75
  4. Step 4: Simplify right side
    43,074.60x = 871,921,032.68
  5. Step 5: Solve for x
    x = 871,921,032.68/43,074.60
  6. Step 6: Final answer
    x = 20,242.12

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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.