Home / 53,103.81-79,589.93-26,816.07

Finding the Fourth Proportional to 53,103.81, 79,589.93 and 26,816.07

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Solution

The fourth proportional to 53,103.81, 79,589.93 and 26,816.07 is: 40,190.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,103.81 : 79,589.93 = 26,816.07 : x
  2. Step 2: Convert to fraction form
    53,103.81/79,589.93 = 26,816.07/x
  3. Step 3: Cross multiply
    53,103.81x = 79,589.93 × 26,816.07
  4. Step 4: Simplify right side
    53,103.81x = 2,134,289,000.09
  5. Step 5: Solve for x
    x = 2,134,289,000.09/53,103.81
  6. Step 6: Final answer
    x = 40,190.88

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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.