Home / 74,274.64-111,400.02-21,671.80

Finding the Fourth Proportional to 74,274.64, 111,400.02 and 21,671.80

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Solution

The fourth proportional to 74,274.64, 111,400.02 and 21,671.80 is: 32,504.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,274.64 : 111,400.02 = 21,671.80 : x
  2. Step 2: Convert to fraction form
    74,274.64/111,400.02 = 21,671.80/x
  3. Step 3: Cross multiply
    74,274.64x = 111,400.02 × 21,671.80
  4. Step 4: Simplify right side
    74,274.64x = 2,414,238,953.44
  5. Step 5: Solve for x
    x = 2,414,238,953.44/74,274.64
  6. Step 6: Final answer
    x = 32,504.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.