Home / 65,411.10-98,153.10-27,964.80

Finding the Fourth Proportional to 65,411.10, 98,153.10 and 27,964.80

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Solution

The fourth proportional to 65,411.10, 98,153.10 and 27,964.80 is: 41,962.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,411.10 : 98,153.10 = 27,964.80 : x
  2. Step 2: Convert to fraction form
    65,411.10/98,153.10 = 27,964.80/x
  3. Step 3: Cross multiply
    65,411.10x = 98,153.10 × 27,964.80
  4. Step 4: Simplify right side
    65,411.10x = 2,744,831,810.88
  5. Step 5: Solve for x
    x = 2,744,831,810.88/65,411.10
  6. Step 6: Final answer
    x = 41,962.78

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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.