Home / 64,520.30-89,023.46-36,224.12

Finding the Fourth Proportional to 64,520.30, 89,023.46 and 36,224.12

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Solution

The fourth proportional to 64,520.30, 89,023.46 and 36,224.12 is: 49,981.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,520.30 : 89,023.46 = 36,224.12 : x
  2. Step 2: Convert to fraction form
    64,520.30/89,023.46 = 36,224.12/x
  3. Step 3: Cross multiply
    64,520.30x = 89,023.46 × 36,224.12
  4. Step 4: Simplify right side
    64,520.30x = 3,224,796,497.86
  5. Step 5: Solve for x
    x = 3,224,796,497.86/64,520.30
  6. Step 6: Final answer
    x = 49,981.11

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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.