Home / 74,019.51-111,013.35-23,422.54

Finding the Fourth Proportional to 74,019.51, 111,013.35 and 23,422.54

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Solution

The fourth proportional to 74,019.51, 111,013.35 and 23,422.54 is: 35,128.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,019.51 : 111,013.35 = 23,422.54 : x
  2. Step 2: Convert to fraction form
    74,019.51/111,013.35 = 23,422.54/x
  3. Step 3: Cross multiply
    74,019.51x = 111,013.35 × 23,422.54
  4. Step 4: Simplify right side
    74,019.51x = 2,600,214,630.91
  5. Step 5: Solve for x
    x = 2,600,214,630.91/74,019.51
  6. Step 6: Final answer
    x = 35,128.78

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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.