Home / 54,272.15-74,893.38-31,611.86

Finding the Fourth Proportional to 54,272.15, 74,893.38 and 31,611.86

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Solution

The fourth proportional to 54,272.15, 74,893.38 and 31,611.86 is: 43,623.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,272.15 : 74,893.38 = 31,611.86 : x
  2. Step 2: Convert to fraction form
    54,272.15/74,893.38 = 31,611.86/x
  3. Step 3: Cross multiply
    54,272.15x = 74,893.38 × 31,611.86
  4. Step 4: Simplify right side
    54,272.15x = 2,367,519,043.49
  5. Step 5: Solve for x
    x = 2,367,519,043.49/54,272.15
  6. Step 6: Final answer
    x = 43,623.09

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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.