Home / 85,297.24-127,960.17-26,118.64

Finding the Fourth Proportional to 85,297.24, 127,960.17 and 26,118.64

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Solution

The fourth proportional to 85,297.24, 127,960.17 and 26,118.64 is: 39,182.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,297.24 : 127,960.17 = 26,118.64 : x
  2. Step 2: Convert to fraction form
    85,297.24/127,960.17 = 26,118.64/x
  3. Step 3: Cross multiply
    85,297.24x = 127,960.17 × 26,118.64
  4. Step 4: Simplify right side
    85,297.24x = 3,342,145,614.57
  5. Step 5: Solve for x
    x = 3,342,145,614.57/85,297.24
  6. Step 6: Final answer
    x = 39,182.34

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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.