Home / 65,236.06-90,021.03-36,551.67

Finding the Fourth Proportional to 65,236.06, 90,021.03 and 36,551.67

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Solution

The fourth proportional to 65,236.06, 90,021.03 and 36,551.67 is: 50,438.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,236.06 : 90,021.03 = 36,551.67 : x
  2. Step 2: Convert to fraction form
    65,236.06/90,021.03 = 36,551.67/x
  3. Step 3: Cross multiply
    65,236.06x = 90,021.03 × 36,551.67
  4. Step 4: Simplify right side
    65,236.06x = 3,290,418,981.62
  5. Step 5: Solve for x
    x = 3,290,418,981.62/65,236.06
  6. Step 6: Final answer
    x = 50,438.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.