Home / 86,794.11-130,192.25-27,629.55

Finding the Fourth Proportional to 86,794.11, 130,192.25 and 27,629.55

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Solution

The fourth proportional to 86,794.11, 130,192.25 and 27,629.55 is: 41,444.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,794.11 : 130,192.25 = 27,629.55 : x
  2. Step 2: Convert to fraction form
    86,794.11/130,192.25 = 27,629.55/x
  3. Step 3: Cross multiply
    86,794.11x = 130,192.25 × 27,629.55
  4. Step 4: Simplify right side
    86,794.11x = 3,597,153,142.84
  5. Step 5: Solve for x
    x = 3,597,153,142.84/86,794.11
  6. Step 6: Final answer
    x = 41,444.67

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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.