Home / 51,975.91-77,968.78-14,535.99

Finding the Fourth Proportional to 51,975.91, 77,968.78 and 14,535.99

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Solution

The fourth proportional to 51,975.91, 77,968.78 and 14,535.99 is: 21,805.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,975.91 : 77,968.78 = 14,535.99 : x
  2. Step 2: Convert to fraction form
    51,975.91/77,968.78 = 14,535.99/x
  3. Step 3: Cross multiply
    51,975.91x = 77,968.78 × 14,535.99
  4. Step 4: Simplify right side
    51,975.91x = 1,133,353,370.05
  5. Step 5: Solve for x
    x = 1,133,353,370.05/51,975.91
  6. Step 6: Final answer
    x = 21,805.36

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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.