Home / 65,725.21-98,587.75-15,805.27

Finding the Fourth Proportional to 65,725.21, 98,587.75 and 15,805.27

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Solution

The fourth proportional to 65,725.21, 98,587.75 and 15,805.27 is: 23,707.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,725.21 : 98,587.75 = 15,805.27 : x
  2. Step 2: Convert to fraction form
    65,725.21/98,587.75 = 15,805.27/x
  3. Step 3: Cross multiply
    65,725.21x = 98,587.75 × 15,805.27
  4. Step 4: Simplify right side
    65,725.21x = 1,558,206,007.44
  5. Step 5: Solve for x
    x = 1,558,206,007.44/65,725.21
  6. Step 6: Final answer
    x = 23,707.89

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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.