Home / 57,168.16-85,760.54-17,728.45

Finding the Fourth Proportional to 57,168.16, 85,760.54 and 17,728.45

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Solution

The fourth proportional to 57,168.16, 85,760.54 and 17,728.45 is: 26,595.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,168.16 : 85,760.54 = 17,728.45 : x
  2. Step 2: Convert to fraction form
    57,168.16/85,760.54 = 17,728.45/x
  3. Step 3: Cross multiply
    57,168.16x = 85,760.54 × 17,728.45
  4. Step 4: Simplify right side
    57,168.16x = 1,520,401,445.36
  5. Step 5: Solve for x
    x = 1,520,401,445.36/57,168.16
  6. Step 6: Final answer
    x = 26,595.25

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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.