Home / 71,883.25-99,199.57-39,619.03

Finding the Fourth Proportional to 71,883.25, 99,199.57 and 39,619.03

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Solution

The fourth proportional to 71,883.25, 99,199.57 and 39,619.03 is: 54,674.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,883.25 : 99,199.57 = 39,619.03 : x
  2. Step 2: Convert to fraction form
    71,883.25/99,199.57 = 39,619.03/x
  3. Step 3: Cross multiply
    71,883.25x = 99,199.57 × 39,619.03
  4. Step 4: Simplify right side
    71,883.25x = 3,930,190,739.82
  5. Step 5: Solve for x
    x = 3,930,190,739.82/71,883.25
  6. Step 6: Final answer
    x = 54,674.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.