Home / 82,153.54-113,319.68-53,861.04

Finding the Fourth Proportional to 82,153.54, 113,319.68 and 53,861.04

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Solution

The fourth proportional to 82,153.54, 113,319.68 and 53,861.04 is: 74,294.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,153.54 : 113,319.68 = 53,861.04 : x
  2. Step 2: Convert to fraction form
    82,153.54/113,319.68 = 53,861.04/x
  3. Step 3: Cross multiply
    82,153.54x = 113,319.68 × 53,861.04
  4. Step 4: Simplify right side
    82,153.54x = 6,103,515,817.27
  5. Step 5: Solve for x
    x = 6,103,515,817.27/82,153.54
  6. Step 6: Final answer
    x = 74,294.01

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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.