Home / 63,183.42-87,153.30-40,499.01

Finding the Fourth Proportional to 63,183.42, 87,153.30 and 40,499.01

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Solution

The fourth proportional to 63,183.42, 87,153.30 and 40,499.01 is: 55,863.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,183.42 : 87,153.30 = 40,499.01 : x
  2. Step 2: Convert to fraction form
    63,183.42/87,153.30 = 40,499.01/x
  3. Step 3: Cross multiply
    63,183.42x = 87,153.30 × 40,499.01
  4. Step 4: Simplify right side
    63,183.42x = 3,529,622,368.23
  5. Step 5: Solve for x
    x = 3,529,622,368.23/63,183.42
  6. Step 6: Final answer
    x = 55,863.11

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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.