Home / 82,988.43-114,533.72-47,183.81

Finding the Fourth Proportional to 82,988.43, 114,533.72 and 47,183.81

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Solution

The fourth proportional to 82,988.43, 114,533.72 and 47,183.81 is: 65,119.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,988.43 : 114,533.72 = 47,183.81 : x
  2. Step 2: Convert to fraction form
    82,988.43/114,533.72 = 47,183.81/x
  3. Step 3: Cross multiply
    82,988.43x = 114,533.72 × 47,183.81
  4. Step 4: Simplify right side
    82,988.43x = 5,404,136,474.49
  5. Step 5: Solve for x
    x = 5,404,136,474.49/82,988.43
  6. Step 6: Final answer
    x = 65,119.16

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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.