Home / 82,880.35-114,375.65-45,154.60

Finding the Fourth Proportional to 82,880.35, 114,375.65 and 45,154.60

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Solution

The fourth proportional to 82,880.35, 114,375.65 and 45,154.60 is: 62,313.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,880.35 : 114,375.65 = 45,154.60 : x
  2. Step 2: Convert to fraction form
    82,880.35/114,375.65 = 45,154.60/x
  3. Step 3: Cross multiply
    82,880.35x = 114,375.65 × 45,154.60
  4. Step 4: Simplify right side
    82,880.35x = 5,164,586,213.78
  5. Step 5: Solve for x
    x = 5,164,586,213.78/82,880.35
  6. Step 6: Final answer
    x = 62,313.76

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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.