Home / 65,805.23-98,722.43-30,725.75

Finding the Fourth Proportional to 65,805.23, 98,722.43 and 30,725.75

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Solution

The fourth proportional to 65,805.23, 98,722.43 and 30,725.75 is: 46,095.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,805.23 : 98,722.43 = 30,725.75 : x
  2. Step 2: Convert to fraction form
    65,805.23/98,722.43 = 30,725.75/x
  3. Step 3: Cross multiply
    65,805.23x = 98,722.43 × 30,725.75
  4. Step 4: Simplify right side
    65,805.23x = 3,033,320,703.57
  5. Step 5: Solve for x
    x = 3,033,320,703.57/65,805.23
  6. Step 6: Final answer
    x = 46,095.44

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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.