Home / 53,823.80-80,479.31-49,118.27

Finding the Fourth Proportional to 53,823.80, 80,479.31 and 49,118.27

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Solution

The fourth proportional to 53,823.80, 80,479.31 and 49,118.27 is: 73,443.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,823.80 : 80,479.31 = 49,118.27 : x
  2. Step 2: Convert to fraction form
    53,823.80/80,479.31 = 49,118.27/x
  3. Step 3: Cross multiply
    53,823.80x = 80,479.31 × 49,118.27
  4. Step 4: Simplify right side
    53,823.80x = 3,953,004,232.40
  5. Step 5: Solve for x
    x = 3,953,004,232.40/53,823.80
  6. Step 6: Final answer
    x = 73,443.43

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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.