Home / 66,436.10-99,658.20-22,066.73

Finding the Fourth Proportional to 66,436.10, 99,658.20 and 22,066.73

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Solution

The fourth proportional to 66,436.10, 99,658.20 and 22,066.73 is: 33,101.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,436.10 : 99,658.20 = 22,066.73 : x
  2. Step 2: Convert to fraction form
    66,436.10/99,658.20 = 22,066.73/x
  3. Step 3: Cross multiply
    66,436.10x = 99,658.20 × 22,066.73
  4. Step 4: Simplify right side
    66,436.10x = 2,199,130,591.69
  5. Step 5: Solve for x
    x = 2,199,130,591.69/66,436.10
  6. Step 6: Final answer
    x = 33,101.44

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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.