Home / 74,052.80-111,109.44-39,023.36

Finding the Fourth Proportional to 74,052.80, 111,109.44 and 39,023.36

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Solution

The fourth proportional to 74,052.80, 111,109.44 and 39,023.36 is: 58,550.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,052.80 : 111,109.44 = 39,023.36 : x
  2. Step 2: Convert to fraction form
    74,052.80/111,109.44 = 39,023.36/x
  3. Step 3: Cross multiply
    74,052.80x = 111,109.44 × 39,023.36
  4. Step 4: Simplify right side
    74,052.80x = 4,335,863,676.52
  5. Step 5: Solve for x
    x = 4,335,863,676.52/74,052.80
  6. Step 6: Final answer
    x = 58,550.98

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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.