Home / 65,842.08-98,765.94-25,869.72

Finding the Fourth Proportional to 65,842.08, 98,765.94 and 25,869.72

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Solution

The fourth proportional to 65,842.08, 98,765.94 and 25,869.72 is: 38,805.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,842.08 : 98,765.94 = 25,869.72 : x
  2. Step 2: Convert to fraction form
    65,842.08/98,765.94 = 25,869.72/x
  3. Step 3: Cross multiply
    65,842.08x = 98,765.94 × 25,869.72
  4. Step 4: Simplify right side
    65,842.08x = 2,555,047,213.34
  5. Step 5: Solve for x
    x = 2,555,047,213.34/65,842.08
  6. Step 6: Final answer
    x = 38,805.69

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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.