Home / 53,809.91-80,709.39-14,371.01

Finding the Fourth Proportional to 53,809.91, 80,709.39 and 14,371.01

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Solution

The fourth proportional to 53,809.91, 80,709.39 and 14,371.01 is: 21,555.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,809.91 : 80,709.39 = 14,371.01 : x
  2. Step 2: Convert to fraction form
    53,809.91/80,709.39 = 14,371.01/x
  3. Step 3: Cross multiply
    53,809.91x = 80,709.39 × 14,371.01
  4. Step 4: Simplify right side
    53,809.91x = 1,159,875,450.78
  5. Step 5: Solve for x
    x = 1,159,875,450.78/53,809.91
  6. Step 6: Final answer
    x = 21,555.05

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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.