Home / 51,243.25-70,716.08-28,583.71

Finding the Fourth Proportional to 51,243.25, 70,716.08 and 28,583.71

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Solution

The fourth proportional to 51,243.25, 70,716.08 and 28,583.71 is: 39,445.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,243.25 : 70,716.08 = 28,583.71 : x
  2. Step 2: Convert to fraction form
    51,243.25/70,716.08 = 28,583.71/x
  3. Step 3: Cross multiply
    51,243.25x = 70,716.08 × 28,583.71
  4. Step 4: Simplify right side
    51,243.25x = 2,021,327,923.06
  5. Step 5: Solve for x
    x = 2,021,327,923.06/51,243.25
  6. Step 6: Final answer
    x = 39,445.74

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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.