Home / 51,726.87-77,584.47-14,292.28

Finding the Fourth Proportional to 51,726.87, 77,584.47 and 14,292.28

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Solution

The fourth proportional to 51,726.87, 77,584.47 and 14,292.28 is: 21,436.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,726.87 : 77,584.47 = 14,292.28 : x
  2. Step 2: Convert to fraction form
    51,726.87/77,584.47 = 14,292.28/x
  3. Step 3: Cross multiply
    51,726.87x = 77,584.47 × 14,292.28
  4. Step 4: Simplify right side
    51,726.87x = 1,108,859,012.28
  5. Step 5: Solve for x
    x = 1,108,859,012.28/51,726.87
  6. Step 6: Final answer
    x = 21,436.81

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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.