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Finding the Fourth Proportional to 71,883.44, 99,197.83 and 40,051.65

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Solution

The fourth proportional to 71,883.44, 99,197.83 and 40,051.65 is: 55,270.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,883.44 : 99,197.83 = 40,051.65 : x
  2. Step 2: Convert to fraction form
    71,883.44/99,197.83 = 40,051.65/x
  3. Step 3: Cross multiply
    71,883.44x = 99,197.83 × 40,051.65
  4. Step 4: Simplify right side
    71,883.44x = 3,973,036,767.92
  5. Step 5: Solve for x
    x = 3,973,036,767.92/71,883.44
  6. Step 6: Final answer
    x = 55,270.54

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1.5x scale

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.