Home / 48,945.42-73,418.10-13,880.52

Finding the Fourth Proportional to 48,945.42, 73,418.10 and 13,880.52

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Solution

The fourth proportional to 48,945.42, 73,418.10 and 13,880.52 is: 20,820.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,945.42 : 73,418.10 = 13,880.52 : x
  2. Step 2: Convert to fraction form
    48,945.42/73,418.10 = 13,880.52/x
  3. Step 3: Cross multiply
    48,945.42x = 73,418.10 × 13,880.52
  4. Step 4: Simplify right side
    48,945.42x = 1,019,081,405.41
  5. Step 5: Solve for x
    x = 1,019,081,405.41/48,945.42
  6. Step 6: Final answer
    x = 20,820.77

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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.