Home / 65,212.19-90,000.05-36,536.54

Finding the Fourth Proportional to 65,212.19, 90,000.05 and 36,536.54

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Solution

The fourth proportional to 65,212.19, 90,000.05 and 36,536.54 is: 50,424.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,212.19 : 90,000.05 = 36,536.54 : x
  2. Step 2: Convert to fraction form
    65,212.19/90,000.05 = 36,536.54/x
  3. Step 3: Cross multiply
    65,212.19x = 90,000.05 × 36,536.54
  4. Step 4: Simplify right side
    65,212.19x = 3,288,289,794.14
  5. Step 5: Solve for x
    x = 3,288,289,794.14/65,212.19
  6. Step 6: Final answer
    x = 50,424.47

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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.