Home / 53,921.91-80,883.38-14,479.02

Finding the Fourth Proportional to 53,921.91, 80,883.38 and 14,479.02

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Solution

The fourth proportional to 53,921.91, 80,883.38 and 14,479.02 is: 21,718.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,921.91 : 80,883.38 = 14,479.02 : x
  2. Step 2: Convert to fraction form
    53,921.91/80,883.38 = 14,479.02/x
  3. Step 3: Cross multiply
    53,921.91x = 80,883.38 × 14,479.02
  4. Step 4: Simplify right side
    53,921.91x = 1,171,112,076.69
  5. Step 5: Solve for x
    x = 1,171,112,076.69/53,921.91
  6. Step 6: Final answer
    x = 21,718.67

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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.