Home / 65,934.36-98,918.82-19,191.96

Finding the Fourth Proportional to 65,934.36, 98,918.82 and 19,191.96

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Solution

The fourth proportional to 65,934.36, 98,918.82 and 19,191.96 is: 28,792.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,934.36 : 98,918.82 = 19,191.96 : x
  2. Step 2: Convert to fraction form
    65,934.36/98,918.82 = 19,191.96/x
  3. Step 3: Cross multiply
    65,934.36x = 98,918.82 × 19,191.96
  4. Step 4: Simplify right side
    65,934.36x = 1,898,446,036.69
  5. Step 5: Solve for x
    x = 1,898,446,036.69/65,934.36
  6. Step 6: Final answer
    x = 28,792.97

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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.