Home / 52,746.21-72,789.87-28,874.41

Finding the Fourth Proportional to 52,746.21, 72,789.87 and 28,874.41

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Solution

The fourth proportional to 52,746.21, 72,789.87 and 28,874.41 is: 39,846.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,746.21 : 72,789.87 = 28,874.41 : x
  2. Step 2: Convert to fraction form
    52,746.21/72,789.87 = 28,874.41/x
  3. Step 3: Cross multiply
    52,746.21x = 72,789.87 × 28,874.41
  4. Step 4: Simplify right side
    52,746.21x = 2,101,764,550.23
  5. Step 5: Solve for x
    x = 2,101,764,550.23/52,746.21
  6. Step 6: Final answer
    x = 39,846.74

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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.