Home / 82,447.12-123,724.14-29,852.20

Finding the Fourth Proportional to 82,447.12, 123,724.14 and 29,852.20

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Solution

The fourth proportional to 82,447.12, 123,724.14 and 29,852.20 is: 44,797.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,447.12 : 123,724.14 = 29,852.20 : x
  2. Step 2: Convert to fraction form
    82,447.12/123,724.14 = 29,852.20/x
  3. Step 3: Cross multiply
    82,447.12x = 123,724.14 × 29,852.20
  4. Step 4: Simplify right side
    82,447.12x = 3,693,437,772.11
  5. Step 5: Solve for x
    x = 3,693,437,772.11/82,447.12
  6. Step 6: Final answer
    x = 44,797.66

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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.