Home / 65,716.80-98,592.49-34,128.96

Finding the Fourth Proportional to 65,716.80, 98,592.49 and 34,128.96

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Solution

The fourth proportional to 65,716.80, 98,592.49 and 34,128.96 is: 51,202.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,716.80 : 98,592.49 = 34,128.96 : x
  2. Step 2: Convert to fraction form
    65,716.80/98,592.49 = 34,128.96/x
  3. Step 3: Cross multiply
    65,716.80x = 98,592.49 × 34,128.96
  4. Step 4: Simplify right side
    65,716.80x = 3,364,859,147.51
  5. Step 5: Solve for x
    x = 3,364,859,147.51/65,716.80
  6. Step 6: Final answer
    x = 51,202.42

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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.