Home / 53,718.24-80,570.94-14,278.38

Finding the Fourth Proportional to 53,718.24, 80,570.94 and 14,278.38

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Solution

The fourth proportional to 53,718.24, 80,570.94 and 14,278.38 is: 21,415.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,718.24 : 80,570.94 = 14,278.38 : x
  2. Step 2: Convert to fraction form
    53,718.24/80,570.94 = 14,278.38/x
  3. Step 3: Cross multiply
    53,718.24x = 80,570.94 × 14,278.38
  4. Step 4: Simplify right side
    53,718.24x = 1,150,422,498.28
  5. Step 5: Solve for x
    x = 1,150,422,498.28/53,718.24
  6. Step 6: Final answer
    x = 21,415.86

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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.