Home / 57,090.16-85,659.86-23,816.78

Finding the Fourth Proportional to 57,090.16, 85,659.86 and 23,816.78

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Solution

The fourth proportional to 57,090.16, 85,659.86 and 23,816.78 is: 35,735.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,090.16 : 85,659.86 = 23,816.78 : x
  2. Step 2: Convert to fraction form
    57,090.16/85,659.86 = 23,816.78/x
  3. Step 3: Cross multiply
    57,090.16x = 85,659.86 × 23,816.78
  4. Step 4: Simplify right side
    57,090.16x = 2,040,142,040.45
  5. Step 5: Solve for x
    x = 2,040,142,040.45/57,090.16
  6. Step 6: Final answer
    x = 35,735.44

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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.