Home / 55,361.08-76,375.02-38,603.80

Finding the Fourth Proportional to 55,361.08, 76,375.02 and 38,603.80

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Solution

The fourth proportional to 55,361.08, 76,375.02 and 38,603.80 is: 53,257.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,361.08 : 76,375.02 = 38,603.80 : x
  2. Step 2: Convert to fraction form
    55,361.08/76,375.02 = 38,603.80/x
  3. Step 3: Cross multiply
    55,361.08x = 76,375.02 × 38,603.80
  4. Step 4: Simplify right side
    55,361.08x = 2,948,365,997.08
  5. Step 5: Solve for x
    x = 2,948,365,997.08/55,361.08
  6. Step 6: Final answer
    x = 53,257.02

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1.5x scale

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.