Home / 86,366.37-129,554.19-27,206.67

Finding the Fourth Proportional to 86,366.37, 129,554.19 and 27,206.67

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Solution

The fourth proportional to 86,366.37, 129,554.19 and 27,206.67 is: 40,811.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,366.37 : 129,554.19 = 27,206.67 : x
  2. Step 2: Convert to fraction form
    86,366.37/129,554.19 = 27,206.67/x
  3. Step 3: Cross multiply
    86,366.37x = 129,554.19 × 27,206.67
  4. Step 4: Simplify right side
    86,366.37x = 3,524,738,094.45
  5. Step 5: Solve for x
    x = 3,524,738,094.45/86,366.37
  6. Step 6: Final answer
    x = 40,811.47

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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.