Home / 74,179.07-111,273.73-29,805.78

Finding the Fourth Proportional to 74,179.07, 111,273.73 and 29,805.78

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Solution

The fourth proportional to 74,179.07, 111,273.73 and 29,805.78 is: 44,710.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,179.07 : 111,273.73 = 29,805.78 : x
  2. Step 2: Convert to fraction form
    74,179.07/111,273.73 = 29,805.78/x
  3. Step 3: Cross multiply
    74,179.07x = 111,273.73 × 29,805.78
  4. Step 4: Simplify right side
    74,179.07x = 3,316,600,167.13
  5. Step 5: Solve for x
    x = 3,316,600,167.13/74,179.07
  6. Step 6: Final answer
    x = 44,710.73

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1.5x scale

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.