Home / 66,433.04-99,665.72-19,049.04

Finding the Fourth Proportional to 66,433.04, 99,665.72 and 19,049.04

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Solution

The fourth proportional to 66,433.04, 99,665.72 and 19,049.04 is: 28,578.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,433.04 : 99,665.72 = 19,049.04 : x
  2. Step 2: Convert to fraction form
    66,433.04/99,665.72 = 19,049.04/x
  3. Step 3: Cross multiply
    66,433.04x = 99,665.72 × 19,049.04
  4. Step 4: Simplify right side
    66,433.04x = 1,898,536,286.91
  5. Step 5: Solve for x
    x = 1,898,536,286.91/66,433.04
  6. Step 6: Final answer
    x = 28,578.19

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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.