Home / 74,877.44-103,188.78-53,619.80

Finding the Fourth Proportional to 74,877.44, 103,188.78 and 53,619.80

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Solution

The fourth proportional to 74,877.44, 103,188.78 and 53,619.80 is: 73,893.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,877.44 : 103,188.78 = 53,619.80 : x
  2. Step 2: Convert to fraction form
    74,877.44/103,188.78 = 53,619.80/x
  3. Step 3: Cross multiply
    74,877.44x = 103,188.78 × 53,619.80
  4. Step 4: Simplify right side
    74,877.44x = 5,532,961,229.90
  5. Step 5: Solve for x
    x = 5,532,961,229.90/74,877.44
  6. Step 6: Final answer
    x = 73,893.57

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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.