Home / 66,020.64-99,034.32-19,277.04

Finding the Fourth Proportional to 66,020.64, 99,034.32 and 19,277.04

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Solution

The fourth proportional to 66,020.64, 99,034.32 and 19,277.04 is: 28,916.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,020.64 : 99,034.32 = 19,277.04 : x
  2. Step 2: Convert to fraction form
    66,020.64/99,034.32 = 19,277.04/x
  3. Step 3: Cross multiply
    66,020.64x = 99,034.32 × 19,277.04
  4. Step 4: Simplify right side
    66,020.64x = 1,909,088,548.01
  5. Step 5: Solve for x
    x = 1,909,088,548.01/66,020.64
  6. Step 6: Final answer
    x = 28,916.54

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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.