Home / 57,290.14-85,946.55-17,845.57

Finding the Fourth Proportional to 57,290.14, 85,946.55 and 17,845.57

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Solution

The fourth proportional to 57,290.14, 85,946.55 and 17,845.57 is: 26,771.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,290.14 : 85,946.55 = 17,845.57 : x
  2. Step 2: Convert to fraction form
    57,290.14/85,946.55 = 17,845.57/x
  3. Step 3: Cross multiply
    57,290.14x = 85,946.55 × 17,845.57
  4. Step 4: Simplify right side
    57,290.14x = 1,533,765,174.28
  5. Step 5: Solve for x
    x = 1,533,765,174.28/57,290.14
  6. Step 6: Final answer
    x = 26,771.89

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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.