Home / 65,023.08-89,728.68-36,732.84

Finding the Fourth Proportional to 65,023.08, 89,728.68 and 36,732.84

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Solution

The fourth proportional to 65,023.08, 89,728.68 and 36,732.84 is: 50,689.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,023.08 : 89,728.68 = 36,732.84 : x
  2. Step 2: Convert to fraction form
    65,023.08/89,728.68 = 36,732.84/x
  3. Step 3: Cross multiply
    65,023.08x = 89,728.68 × 36,732.84
  4. Step 4: Simplify right side
    65,023.08x = 3,295,989,245.85
  5. Step 5: Solve for x
    x = 3,295,989,245.85/65,023.08
  6. Step 6: Final answer
    x = 50,689.53

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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.