Home / 66,056.20-99,149.10-32,813.80

Finding the Fourth Proportional to 66,056.20, 99,149.10 and 32,813.80

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Solution

The fourth proportional to 66,056.20, 99,149.10 and 32,813.80 is: 49,252.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,056.20 : 99,149.10 = 32,813.80 : x
  2. Step 2: Convert to fraction form
    66,056.20/99,149.10 = 32,813.80/x
  3. Step 3: Cross multiply
    66,056.20x = 99,149.10 × 32,813.80
  4. Step 4: Simplify right side
    66,056.20x = 3,253,458,737.58
  5. Step 5: Solve for x
    x = 3,253,458,737.58/66,056.20
  6. Step 6: Final answer
    x = 49,252.89

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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.