Home / 73,408.90-110,089.66-20,804.26

Finding the Fourth Proportional to 73,408.90, 110,089.66 and 20,804.26

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Solution

The fourth proportional to 73,408.90, 110,089.66 and 20,804.26 is: 31,199.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,408.90 : 110,089.66 = 20,804.26 : x
  2. Step 2: Convert to fraction form
    73,408.90/110,089.66 = 20,804.26/x
  3. Step 3: Cross multiply
    73,408.90x = 110,089.66 × 20,804.26
  4. Step 4: Simplify right side
    73,408.90x = 2,290,333,909.95
  5. Step 5: Solve for x
    x = 2,290,333,909.95/73,408.90
  6. Step 6: Final answer
    x = 31,199.68

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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.