Home / 57,147.07-85,728.63-23,859.56

Finding the Fourth Proportional to 57,147.07, 85,728.63 and 23,859.56

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Solution

The fourth proportional to 57,147.07, 85,728.63 and 23,859.56 is: 35,792.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,147.07 : 85,728.63 = 23,859.56 : x
  2. Step 2: Convert to fraction form
    57,147.07/85,728.63 = 23,859.56/x
  3. Step 3: Cross multiply
    57,147.07x = 85,728.63 × 23,859.56
  4. Step 4: Simplify right side
    57,147.07x = 2,045,447,391.20
  5. Step 5: Solve for x
    x = 2,045,447,391.20/57,147.07
  6. Step 6: Final answer
    x = 35,792.69

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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.