Home / 61,133.52-91,683.66-16,749.56

Finding the Fourth Proportional to 61,133.52, 91,683.66 and 16,749.56

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Solution

The fourth proportional to 61,133.52, 91,683.66 and 16,749.56 is: 25,119.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,133.52 : 91,683.66 = 16,749.56 : x
  2. Step 2: Convert to fraction form
    61,133.52/91,683.66 = 16,749.56/x
  3. Step 3: Cross multiply
    61,133.52x = 91,683.66 × 16,749.56
  4. Step 4: Simplify right side
    61,133.52x = 1,535,660,964.19
  5. Step 5: Solve for x
    x = 1,535,660,964.19/61,133.52
  6. Step 6: Final answer
    x = 25,119.79

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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.