Home / 53,774.64-74,104.20-40,361.04

Finding the Fourth Proportional to 53,774.64, 74,104.20 and 40,361.04

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Solution

The fourth proportional to 53,774.64, 74,104.20 and 40,361.04 is: 55,619.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,774.64 : 74,104.20 = 40,361.04 : x
  2. Step 2: Convert to fraction form
    53,774.64/74,104.20 = 40,361.04/x
  3. Step 3: Cross multiply
    53,774.64x = 74,104.20 × 40,361.04
  4. Step 4: Simplify right side
    53,774.64x = 2,990,922,580.37
  5. Step 5: Solve for x
    x = 2,990,922,580.37/53,774.64
  6. Step 6: Final answer
    x = 55,619.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.