Home / 51,074.41-76,515.02-28,903.70

Finding the Fourth Proportional to 51,074.41, 76,515.02 and 28,903.70

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Solution

The fourth proportional to 51,074.41, 76,515.02 and 28,903.70 is: 43,300.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,074.41 : 76,515.02 = 28,903.70 : x
  2. Step 2: Convert to fraction form
    51,074.41/76,515.02 = 28,903.70/x
  3. Step 3: Cross multiply
    51,074.41x = 76,515.02 × 28,903.70
  4. Step 4: Simplify right side
    51,074.41x = 2,211,567,183.57
  5. Step 5: Solve for x
    x = 2,211,567,183.57/51,074.41
  6. Step 6: Final answer
    x = 43,300.89

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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.