Home / 43,089.42-64,633.64-16,812.60

Finding the Fourth Proportional to 43,089.42, 64,633.64 and 16,812.60

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Solution

The fourth proportional to 43,089.42, 64,633.64 and 16,812.60 is: 25,218.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,089.42 : 64,633.64 = 16,812.60 : x
  2. Step 2: Convert to fraction form
    43,089.42/64,633.64 = 16,812.60/x
  3. Step 3: Cross multiply
    43,089.42x = 64,633.64 × 16,812.60
  4. Step 4: Simplify right side
    43,089.42x = 1,086,659,535.86
  5. Step 5: Solve for x
    x = 1,086,659,535.86/43,089.42
  6. Step 6: Final answer
    x = 25,218.71

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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.