Home / 48,946.92-73,420.43-13,405.64

Finding the Fourth Proportional to 48,946.92, 73,420.43 and 13,405.64

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Solution

The fourth proportional to 48,946.92, 73,420.43 and 13,405.64 is: 20,108.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,946.92 : 73,420.43 = 13,405.64 : x
  2. Step 2: Convert to fraction form
    48,946.92/73,420.43 = 13,405.64/x
  3. Step 3: Cross multiply
    48,946.92x = 73,420.43 × 13,405.64
  4. Step 4: Simplify right side
    48,946.92x = 984,247,419.09
  5. Step 5: Solve for x
    x = 984,247,419.09/48,946.92
  6. Step 6: Final answer
    x = 20,108.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.