Home / 114,728.92-172,137.51-55,560.04

Finding the Fourth Proportional to 114,728.92, 172,137.51 and 55,560.04

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Solution

The fourth proportional to 114,728.92, 172,137.51 and 55,560.04 is: 83,361.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,728.92 : 172,137.51 = 55,560.04 : x
  2. Step 2: Convert to fraction form
    114,728.92/172,137.51 = 55,560.04/x
  3. Step 3: Cross multiply
    114,728.92x = 172,137.51 × 55,560.04
  4. Step 4: Simplify right side
    114,728.92x = 9,563,966,941.10
  5. Step 5: Solve for x
    x = 9,563,966,941.10/114,728.92
  6. Step 6: Final answer
    x = 83,361.43

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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.