Home / 57,188.40-85,785.84-17,751.12

Finding the Fourth Proportional to 57,188.40, 85,785.84 and 17,751.12

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Solution

The fourth proportional to 57,188.40, 85,785.84 and 17,751.12 is: 26,627.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,188.40 : 85,785.84 = 17,751.12 : x
  2. Step 2: Convert to fraction form
    57,188.40/85,785.84 = 17,751.12/x
  3. Step 3: Cross multiply
    57,188.40x = 85,785.84 × 17,751.12
  4. Step 4: Simplify right side
    57,188.40x = 1,522,794,740.14
  5. Step 5: Solve for x
    x = 1,522,794,740.14/57,188.40
  6. Step 6: Final answer
    x = 26,627.69

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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.