Home / 74,544.72-111,836.52-27,798

Finding the Fourth Proportional to 74,544.72, 111,836.52 and 27,798

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Solution

The fourth proportional to 74,544.72, 111,836.52 and 27,798 is: 41,704.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,544.72 : 111,836.52 = 27,798 : x
  2. Step 2: Convert to fraction form
    74,544.72/111,836.52 = 27,798/x
  3. Step 3: Cross multiply
    74,544.72x = 111,836.52 × 27,798
  4. Step 4: Simplify right side
    74,544.72x = 3,108,831,582.96
  5. Step 5: Solve for x
    x = 3,108,831,582.96/74,544.72
  6. Step 6: Final answer
    x = 41,704.25

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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.