Home / 52,785.76-72,844.44-28,912.48

Finding the Fourth Proportional to 52,785.76, 72,844.44 and 28,912.48

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Solution

The fourth proportional to 52,785.76, 72,844.44 and 28,912.48 is: 39,899.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,785.76 : 72,844.44 = 28,912.48 : x
  2. Step 2: Convert to fraction form
    52,785.76/72,844.44 = 28,912.48/x
  3. Step 3: Cross multiply
    52,785.76x = 72,844.44 × 28,912.48
  4. Step 4: Simplify right side
    52,785.76x = 2,106,113,414.61
  5. Step 5: Solve for x
    x = 2,106,113,414.61/52,785.76
  6. Step 6: Final answer
    x = 39,899.27

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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.