Home / 82,147.53-113,311.40-53,855.04

Finding the Fourth Proportional to 82,147.53, 113,311.40 and 53,855.04

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Solution

The fourth proportional to 82,147.53, 113,311.40 and 53,855.04 is: 74,285.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,147.53 : 113,311.40 = 53,855.04 : x
  2. Step 2: Convert to fraction form
    82,147.53/113,311.40 = 53,855.04/x
  3. Step 3: Cross multiply
    82,147.53x = 113,311.40 × 53,855.04
  4. Step 4: Simplify right side
    82,147.53x = 6,102,389,710.18
  5. Step 5: Solve for x
    x = 6,102,389,710.18/82,147.53
  6. Step 6: Final answer
    x = 74,285.74

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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.