Home / 51,134.61-76,696.53-13,698.54

Finding the Fourth Proportional to 51,134.61, 76,696.53 and 13,698.54

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Solution

The fourth proportional to 51,134.61, 76,696.53 and 13,698.54 is: 20,546.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,134.61 : 76,696.53 = 13,698.54 : x
  2. Step 2: Convert to fraction form
    51,134.61/76,696.53 = 13,698.54/x
  3. Step 3: Cross multiply
    51,134.61x = 76,696.53 × 13,698.54
  4. Step 4: Simplify right side
    51,134.61x = 1,050,630,484.07
  5. Step 5: Solve for x
    x = 1,050,630,484.07/51,134.61
  6. Step 6: Final answer
    x = 20,546.37

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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.