Home / 65,845.10-98,734.04-21,443.34

Finding the Fourth Proportional to 65,845.10, 98,734.04 and 21,443.34

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Solution

The fourth proportional to 65,845.10, 98,734.04 and 21,443.34 is: 32,154.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,845.10 : 98,734.04 = 21,443.34 : x
  2. Step 2: Convert to fraction form
    65,845.10/98,734.04 = 21,443.34/x
  3. Step 3: Cross multiply
    65,845.10x = 98,734.04 × 21,443.34
  4. Step 4: Simplify right side
    65,845.10x = 2,117,187,589.29
  5. Step 5: Solve for x
    x = 2,117,187,589.29/65,845.10
  6. Step 6: Final answer
    x = 32,154.06

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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.