Home / 66,169.93-99,199.09-28,701.79

Finding the Fourth Proportional to 66,169.93, 99,199.09 and 28,701.79

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Solution

The fourth proportional to 66,169.93, 99,199.09 and 28,701.79 is: 43,028.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,169.93 : 99,199.09 = 28,701.79 : x
  2. Step 2: Convert to fraction form
    66,169.93/99,199.09 = 28,701.79/x
  3. Step 3: Cross multiply
    66,169.93x = 99,199.09 × 28,701.79
  4. Step 4: Simplify right side
    66,169.93x = 2,847,191,449.37
  5. Step 5: Solve for x
    x = 2,847,191,449.37/66,169.93
  6. Step 6: Final answer
    x = 43,028.48

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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.