Home / 71,884.44-99,199.21-40,052.65

Finding the Fourth Proportional to 71,884.44, 99,199.21 and 40,052.65

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Solution

The fourth proportional to 71,884.44, 99,199.21 and 40,052.65 is: 55,271.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,884.44 : 99,199.21 = 40,052.65 : x
  2. Step 2: Convert to fraction form
    71,884.44/99,199.21 = 40,052.65/x
  3. Step 3: Cross multiply
    71,884.44x = 99,199.21 × 40,052.65
  4. Step 4: Simplify right side
    71,884.44x = 3,973,191,238.41
  5. Step 5: Solve for x
    x = 3,973,191,238.41/71,884.44
  6. Step 6: Final answer
    x = 55,271.92

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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.