Home / 51,345.44-70,852.56-28,682.64

Finding the Fourth Proportional to 51,345.44, 70,852.56 and 28,682.64

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Solution

The fourth proportional to 51,345.44, 70,852.56 and 28,682.64 is: 39,579.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,345.44 : 70,852.56 = 28,682.64 : x
  2. Step 2: Convert to fraction form
    51,345.44/70,852.56 = 28,682.64/x
  3. Step 3: Cross multiply
    51,345.44x = 70,852.56 × 28,682.64
  4. Step 4: Simplify right side
    51,345.44x = 2,032,238,471.56
  5. Step 5: Solve for x
    x = 2,032,238,471.56/51,345.44
  6. Step 6: Final answer
    x = 39,579.73

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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.