Home / 51,222.26-70,679.76-28,558.46

Finding the Fourth Proportional to 51,222.26, 70,679.76 and 28,558.46

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Solution

The fourth proportional to 51,222.26, 70,679.76 and 28,558.46 is: 39,406.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,222.26 : 70,679.76 = 28,558.46 : x
  2. Step 2: Convert to fraction form
    51,222.26/70,679.76 = 28,558.46/x
  3. Step 3: Cross multiply
    51,222.26x = 70,679.76 × 28,558.46
  4. Step 4: Simplify right side
    51,222.26x = 2,018,505,098.77
  5. Step 5: Solve for x
    x = 2,018,505,098.77/51,222.26
  6. Step 6: Final answer
    x = 39,406.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.