Home / 74,676.07-111,989.76-27,280.27

Finding the Fourth Proportional to 74,676.07, 111,989.76 and 27,280.27

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Solution

The fourth proportional to 74,676.07, 111,989.76 and 27,280.27 is: 40,911.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,676.07 : 111,989.76 = 27,280.27 : x
  2. Step 2: Convert to fraction form
    74,676.07/111,989.76 = 27,280.27/x
  3. Step 3: Cross multiply
    74,676.07x = 111,989.76 × 27,280.27
  4. Step 4: Simplify right side
    74,676.07x = 3,055,110,890.04
  5. Step 5: Solve for x
    x = 3,055,110,890.04/74,676.07
  6. Step 6: Final answer
    x = 40,911.51

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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.