Home / 74,290.96-111,440.94-29,917.72

Finding the Fourth Proportional to 74,290.96, 111,440.94 and 29,917.72

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Solution

The fourth proportional to 74,290.96, 111,440.94 and 29,917.72 is: 44,878.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,290.96 : 111,440.94 = 29,917.72 : x
  2. Step 2: Convert to fraction form
    74,290.96/111,440.94 = 29,917.72/x
  3. Step 3: Cross multiply
    74,290.96x = 111,440.94 × 29,917.72
  4. Step 4: Simplify right side
    74,290.96x = 3,334,058,839.46
  5. Step 5: Solve for x
    x = 3,334,058,839.46/74,290.96
  6. Step 6: Final answer
    x = 44,878.39

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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.