Home / 65,636.24-90,551.05-48,682.20

Finding the Fourth Proportional to 65,636.24, 90,551.05 and 48,682.20

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Solution

The fourth proportional to 65,636.24, 90,551.05 and 48,682.20 is: 67,161.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,636.24 : 90,551.05 = 48,682.20 : x
  2. Step 2: Convert to fraction form
    65,636.24/90,551.05 = 48,682.20/x
  3. Step 3: Cross multiply
    65,636.24x = 90,551.05 × 48,682.20
  4. Step 4: Simplify right side
    65,636.24x = 4,408,224,204.60
  5. Step 5: Solve for x
    x = 4,408,224,204.60/65,636.24
  6. Step 6: Final answer
    x = 67,161.43

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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.