Home / 53,049.76-79,568.69-13,607.80

Finding the Fourth Proportional to 53,049.76, 79,568.69 and 13,607.80

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Solution

The fourth proportional to 53,049.76, 79,568.69 and 13,607.80 is: 20,410.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,049.76 : 79,568.69 = 13,607.80 : x
  2. Step 2: Convert to fraction form
    53,049.76/79,568.69 = 13,607.80/x
  3. Step 3: Cross multiply
    53,049.76x = 79,568.69 × 13,607.80
  4. Step 4: Simplify right side
    53,049.76x = 1,082,754,421.94
  5. Step 5: Solve for x
    x = 1,082,754,421.94/53,049.76
  6. Step 6: Final answer
    x = 20,410.17

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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.