Home / 61,066.86-91,614.60-18,944.79

Finding the Fourth Proportional to 61,066.86, 91,614.60 and 18,944.79

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Solution

The fourth proportional to 61,066.86, 91,614.60 and 18,944.79 is: 28,421.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,066.86 : 91,614.60 = 18,944.79 : x
  2. Step 2: Convert to fraction form
    61,066.86/91,614.60 = 18,944.79/x
  3. Step 3: Cross multiply
    61,066.86x = 91,614.60 × 18,944.79
  4. Step 4: Simplify right side
    61,066.86x = 1,735,619,357.93
  5. Step 5: Solve for x
    x = 1,735,619,357.93/61,066.86
  6. Step 6: Final answer
    x = 28,421.62

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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.