Home / 65,934.28-98,917.62-19,187.56

Finding the Fourth Proportional to 65,934.28, 98,917.62 and 19,187.56

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Solution

The fourth proportional to 65,934.28, 98,917.62 and 19,187.56 is: 28,786.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,934.28 : 98,917.62 = 19,187.56 : x
  2. Step 2: Convert to fraction form
    65,934.28/98,917.62 = 19,187.56/x
  3. Step 3: Cross multiply
    65,934.28x = 98,917.62 × 19,187.56
  4. Step 4: Simplify right side
    65,934.28x = 1,897,987,768.81
  5. Step 5: Solve for x
    x = 1,897,987,768.81/65,934.28
  6. Step 6: Final answer
    x = 28,786.05

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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.