Home / 66,059.07-99,105.06-19,311.94

Finding the Fourth Proportional to 66,059.07, 99,105.06 and 19,311.94

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Solution

The fourth proportional to 66,059.07, 99,105.06 and 19,311.94 is: 28,972.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,059.07 : 99,105.06 = 19,311.94 : x
  2. Step 2: Convert to fraction form
    66,059.07/99,105.06 = 19,311.94/x
  3. Step 3: Cross multiply
    66,059.07x = 99,105.06 × 19,311.94
  4. Step 4: Simplify right side
    66,059.07x = 1,913,910,972.42
  5. Step 5: Solve for x
    x = 1,913,910,972.42/66,059.07
  6. Step 6: Final answer
    x = 28,972.72

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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.