Home / 51,927.26-77,890.87-12,484.36

Finding the Fourth Proportional to 51,927.26, 77,890.87 and 12,484.36

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Solution

The fourth proportional to 51,927.26, 77,890.87 and 12,484.36 is: 18,726.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,927.26 : 77,890.87 = 12,484.36 : x
  2. Step 2: Convert to fraction form
    51,927.26/77,890.87 = 12,484.36/x
  3. Step 3: Cross multiply
    51,927.26x = 77,890.87 × 12,484.36
  4. Step 4: Simplify right side
    51,927.26x = 972,417,661.79
  5. Step 5: Solve for x
    x = 972,417,661.79/51,927.26
  6. Step 6: Final answer
    x = 18,726.54

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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.