Home / 66,429.02-99,658.05-22,061.90

Finding the Fourth Proportional to 66,429.02, 99,658.05 and 22,061.90

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Solution

The fourth proportional to 66,429.02, 99,658.05 and 22,061.90 is: 33,097.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,429.02 : 99,658.05 = 22,061.90 : x
  2. Step 2: Convert to fraction form
    66,429.02/99,658.05 = 22,061.90/x
  3. Step 3: Cross multiply
    66,429.02x = 99,658.05 × 22,061.90
  4. Step 4: Simplify right side
    66,429.02x = 2,198,645,933.30
  5. Step 5: Solve for x
    x = 2,198,645,933.30/66,429.02
  6. Step 6: Final answer
    x = 33,097.67

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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.