Home / 57,079.57-85,598.07-19,629.04

Finding the Fourth Proportional to 57,079.57, 85,598.07 and 19,629.04

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Solution

The fourth proportional to 57,079.57, 85,598.07 and 19,629.04 is: 29,436.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,079.57 : 85,598.07 = 19,629.04 : x
  2. Step 2: Convert to fraction form
    57,079.57/85,598.07 = 19,629.04/x
  3. Step 3: Cross multiply
    57,079.57x = 85,598.07 × 19,629.04
  4. Step 4: Simplify right side
    57,079.57x = 1,680,207,939.95
  5. Step 5: Solve for x
    x = 1,680,207,939.95/57,079.57
  6. Step 6: Final answer
    x = 29,436.24

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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.