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Finding the Fourth Proportional to 66,000.55, 99,000.83 and 50,448.55

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Solution

The fourth proportional to 66,000.55, 99,000.83 and 50,448.55 is: 75,672.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,000.55 : 99,000.83 = 50,448.55 : x
  2. Step 2: Convert to fraction form
    66,000.55/99,000.83 = 50,448.55/x
  3. Step 3: Cross multiply
    66,000.55x = 99,000.83 × 50,448.55
  4. Step 4: Simplify right side
    66,000.55x = 4,994,448,070.05
  5. Step 5: Solve for x
    x = 4,994,448,070.05/66,000.55
  6. Step 6: Final answer
    x = 75,672.83

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Similar ratio
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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.