Home / 82,423.14-123,634.44-29,820.12

Finding the Fourth Proportional to 82,423.14, 123,634.44 and 29,820.12

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Solution

The fourth proportional to 82,423.14, 123,634.44 and 29,820.12 is: 44,730.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,423.14 : 123,634.44 = 29,820.12 : x
  2. Step 2: Convert to fraction form
    82,423.14/123,634.44 = 29,820.12/x
  3. Step 3: Cross multiply
    82,423.14x = 123,634.44 × 29,820.12
  4. Step 4: Simplify right side
    82,423.14x = 3,686,793,836.93
  5. Step 5: Solve for x
    x = 3,686,793,836.93/82,423.14
  6. Step 6: Final answer
    x = 44,730.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.