Home / 82,046.45-123,069.65-19,716.95

Finding the Fourth Proportional to 82,046.45, 123,069.65 and 19,716.95

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Solution

The fourth proportional to 82,046.45, 123,069.65 and 19,716.95 is: 29,575.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,046.45 : 123,069.65 = 19,716.95 : x
  2. Step 2: Convert to fraction form
    82,046.45/123,069.65 = 19,716.95/x
  3. Step 3: Cross multiply
    82,046.45x = 123,069.65 × 19,716.95
  4. Step 4: Simplify right side
    82,046.45x = 2,426,557,421.63
  5. Step 5: Solve for x
    x = 2,426,557,421.63/82,046.45
  6. Step 6: Final answer
    x = 29,575.41

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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.