Home / 57,616.90-86,425.35-18,177.09

Finding the Fourth Proportional to 57,616.90, 86,425.35 and 18,177.09

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Solution

The fourth proportional to 57,616.90, 86,425.35 and 18,177.09 is: 27,265.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,616.90 : 86,425.35 = 18,177.09 : x
  2. Step 2: Convert to fraction form
    57,616.90/86,425.35 = 18,177.09/x
  3. Step 3: Cross multiply
    57,616.90x = 86,425.35 × 18,177.09
  4. Step 4: Simplify right side
    57,616.90x = 1,570,961,410.67
  5. Step 5: Solve for x
    x = 1,570,961,410.67/57,616.90
  6. Step 6: Final answer
    x = 27,265.64

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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.