Home / 55,391.21-76,435.55-32,725.90

Finding the Fourth Proportional to 55,391.21, 76,435.55 and 32,725.90

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Solution

The fourth proportional to 55,391.21, 76,435.55 and 32,725.90 is: 45,159.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,391.21 : 76,435.55 = 32,725.90 : x
  2. Step 2: Convert to fraction form
    55,391.21/76,435.55 = 32,725.90/x
  3. Step 3: Cross multiply
    55,391.21x = 76,435.55 × 32,725.90
  4. Step 4: Simplify right side
    55,391.21x = 2,501,422,563.12
  5. Step 5: Solve for x
    x = 2,501,422,563.12/55,391.21
  6. Step 6: Final answer
    x = 45,159.20

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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.