Home / 66,185.01-99,221.69-28,716.84

Finding the Fourth Proportional to 66,185.01, 99,221.69 and 28,716.84

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Solution

The fourth proportional to 66,185.01, 99,221.69 and 28,716.84 is: 43,051.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,185.01 : 99,221.69 = 28,716.84 : x
  2. Step 2: Convert to fraction form
    66,185.01/99,221.69 = 28,716.84/x
  3. Step 3: Cross multiply
    66,185.01x = 99,221.69 × 28,716.84
  4. Step 4: Simplify right side
    66,185.01x = 2,849,333,468.05
  5. Step 5: Solve for x
    x = 2,849,333,468.05/66,185.01
  6. Step 6: Final answer
    x = 43,051.04

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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.