Home / 57,079.11-85,594.59-17,103.78

Finding the Fourth Proportional to 57,079.11, 85,594.59 and 17,103.78

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Solution

The fourth proportional to 57,079.11, 85,594.59 and 17,103.78 is: 25,648.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,079.11 : 85,594.59 = 17,103.78 : x
  2. Step 2: Convert to fraction form
    57,079.11/85,594.59 = 17,103.78/x
  3. Step 3: Cross multiply
    57,079.11x = 85,594.59 × 17,103.78
  4. Step 4: Simplify right side
    57,079.11x = 1,463,991,036.55
  5. Step 5: Solve for x
    x = 1,463,991,036.55/57,079.11
  6. Step 6: Final answer
    x = 25,648.46

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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.