Home / 51,726.96-77,576.28-14,278.08

Finding the Fourth Proportional to 51,726.96, 77,576.28 and 14,278.08

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Solution

The fourth proportional to 51,726.96, 77,576.28 and 14,278.08 is: 21,413.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,726.96 : 77,576.28 = 14,278.08 : x
  2. Step 2: Convert to fraction form
    51,726.96/77,576.28 = 14,278.08/x
  3. Step 3: Cross multiply
    51,726.96x = 77,576.28 × 14,278.08
  4. Step 4: Simplify right side
    51,726.96x = 1,107,640,331.94
  5. Step 5: Solve for x
    x = 1,107,640,331.94/51,726.96
  6. Step 6: Final answer
    x = 21,413.21

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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.