Home / 48,650.34-67,137.86-28,507.80

Finding the Fourth Proportional to 48,650.34, 67,137.86 and 28,507.80

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Solution

The fourth proportional to 48,650.34, 67,137.86 and 28,507.80 is: 39,340.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,650.34 : 67,137.86 = 28,507.80 : x
  2. Step 2: Convert to fraction form
    48,650.34/67,137.86 = 28,507.80/x
  3. Step 3: Cross multiply
    48,650.34x = 67,137.86 × 28,507.80
  4. Step 4: Simplify right side
    48,650.34x = 1,913,952,685.31
  5. Step 5: Solve for x
    x = 1,913,952,685.31/48,650.34
  6. Step 6: Final answer
    x = 39,340.99

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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.