Home / 73,290.08-109,987.61-31,199.67

Finding the Fourth Proportional to 73,290.08, 109,987.61 and 31,199.67

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Solution

The fourth proportional to 73,290.08, 109,987.61 and 31,199.67 is: 46,821.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,290.08 : 109,987.61 = 31,199.67 : x
  2. Step 2: Convert to fraction form
    73,290.08/109,987.61 = 31,199.67/x
  3. Step 3: Cross multiply
    73,290.08x = 109,987.61 × 31,199.67
  4. Step 4: Simplify right side
    73,290.08x = 3,431,577,136.09
  5. Step 5: Solve for x
    x = 3,431,577,136.09/73,290.08
  6. Step 6: Final answer
    x = 46,821.85

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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.