Home / 66,136.04-99,179.30-26,671.64

Finding the Fourth Proportional to 66,136.04, 99,179.30 and 26,671.64

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Solution

The fourth proportional to 66,136.04, 99,179.30 and 26,671.64 is: 39,997.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,136.04 : 99,179.30 = 26,671.64 : x
  2. Step 2: Convert to fraction form
    66,136.04/99,179.30 = 26,671.64/x
  3. Step 3: Cross multiply
    66,136.04x = 99,179.30 × 26,671.64
  4. Step 4: Simplify right side
    66,136.04x = 2,645,274,585.05
  5. Step 5: Solve for x
    x = 2,645,274,585.05/66,136.04
  6. Step 6: Final answer
    x = 39,997.47

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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.