Home / 51,612.26-77,418.52-14,172.84

Finding the Fourth Proportional to 51,612.26, 77,418.52 and 14,172.84

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Solution

The fourth proportional to 51,612.26, 77,418.52 and 14,172.84 is: 21,259.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,612.26 : 77,418.52 = 14,172.84 : x
  2. Step 2: Convert to fraction form
    51,612.26/77,418.52 = 14,172.84/x
  3. Step 3: Cross multiply
    51,612.26x = 77,418.52 × 14,172.84
  4. Step 4: Simplify right side
    51,612.26x = 1,097,240,261.56
  5. Step 5: Solve for x
    x = 1,097,240,261.56/51,612.26
  6. Step 6: Final answer
    x = 21,259.30

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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.