Home / 52,790.94-72,850.71-28,917.66

Finding the Fourth Proportional to 52,790.94, 72,850.71 and 28,917.66

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Solution

The fourth proportional to 52,790.94, 72,850.71 and 28,917.66 is: 39,905.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,790.94 : 72,850.71 = 28,917.66 : x
  2. Step 2: Convert to fraction form
    52,790.94/72,850.71 = 28,917.66/x
  3. Step 3: Cross multiply
    52,790.94x = 72,850.71 × 28,917.66
  4. Step 4: Simplify right side
    52,790.94x = 2,106,672,062.54
  5. Step 5: Solve for x
    x = 2,106,672,062.54/52,790.94
  6. Step 6: Final answer
    x = 39,905.94

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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.