Home / 53,569.45-80,361.03-18,015.53

Finding the Fourth Proportional to 53,569.45, 80,361.03 and 18,015.53

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Solution

The fourth proportional to 53,569.45, 80,361.03 and 18,015.53 is: 27,025.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,569.45 : 80,361.03 = 18,015.53 : x
  2. Step 2: Convert to fraction form
    53,569.45/80,361.03 = 18,015.53/x
  3. Step 3: Cross multiply
    53,569.45x = 80,361.03 × 18,015.53
  4. Step 4: Simplify right side
    53,569.45x = 1,447,746,546.80
  5. Step 5: Solve for x
    x = 1,447,746,546.80/53,569.45
  6. Step 6: Final answer
    x = 27,025.60

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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.