Home / 74,069.52-111,076.71-26,671.78

Finding the Fourth Proportional to 74,069.52, 111,076.71 and 26,671.78

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Solution

The fourth proportional to 74,069.52, 111,076.71 and 26,671.78 is: 39,997.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,069.52 : 111,076.71 = 26,671.78 : x
  2. Step 2: Convert to fraction form
    74,069.52/111,076.71 = 26,671.78/x
  3. Step 3: Cross multiply
    74,069.52x = 111,076.71 × 26,671.78
  4. Step 4: Simplify right side
    74,069.52x = 2,962,613,572.24
  5. Step 5: Solve for x
    x = 2,962,613,572.24/74,069.52
  6. Step 6: Final answer
    x = 39,997.74

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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.