Home / 53,960.14-80,940.30-14,516.20

Finding the Fourth Proportional to 53,960.14, 80,940.30 and 14,516.20

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Solution

The fourth proportional to 53,960.14, 80,940.30 and 14,516.20 is: 21,774.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,960.14 : 80,940.30 = 14,516.20 : x
  2. Step 2: Convert to fraction form
    53,960.14/80,940.30 = 14,516.20/x
  3. Step 3: Cross multiply
    53,960.14x = 80,940.30 × 14,516.20
  4. Step 4: Simplify right side
    53,960.14x = 1,174,945,582.86
  5. Step 5: Solve for x
    x = 1,174,945,582.86/53,960.14
  6. Step 6: Final answer
    x = 21,774.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.