Home / 66,433.57-99,641.00-19,052.72

Finding the Fourth Proportional to 66,433.57, 99,641.00 and 19,052.72

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Solution

The fourth proportional to 66,433.57, 99,641.00 and 19,052.72 is: 28,576.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,433.57 : 99,641.00 = 19,052.72 : x
  2. Step 2: Convert to fraction form
    66,433.57/99,641.00 = 19,052.72/x
  3. Step 3: Cross multiply
    66,433.57x = 99,641.00 × 19,052.72
  4. Step 4: Simplify right side
    66,433.57x = 1,898,431,996.60
  5. Step 5: Solve for x
    x = 1,898,431,996.60/66,433.57
  6. Step 6: Final answer
    x = 28,576.40

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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.