Home / 65,446.22-98,169.33-21,077.46

Finding the Fourth Proportional to 65,446.22, 98,169.33 and 21,077.46

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Solution

The fourth proportional to 65,446.22, 98,169.33 and 21,077.46 is: 31,616.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,446.22 : 98,169.33 = 21,077.46 : x
  2. Step 2: Convert to fraction form
    65,446.22/98,169.33 = 21,077.46/x
  3. Step 3: Cross multiply
    65,446.22x = 98,169.33 × 21,077.46
  4. Step 4: Simplify right side
    65,446.22x = 2,069,160,126.30
  5. Step 5: Solve for x
    x = 2,069,160,126.30/65,446.22
  6. Step 6: Final answer
    x = 31,616.19

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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.