Home / 51,075.20-76,612.80-35,523.20

Finding the Fourth Proportional to 51,075.20, 76,612.80 and 35,523.20

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Solution

The fourth proportional to 51,075.20, 76,612.80 and 35,523.20 is: 53,284.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,075.20 : 76,612.80 = 35,523.20 : x
  2. Step 2: Convert to fraction form
    51,075.20/76,612.80 = 35,523.20/x
  3. Step 3: Cross multiply
    51,075.20x = 76,612.80 × 35,523.20
  4. Step 4: Simplify right side
    51,075.20x = 2,721,531,816.96
  5. Step 5: Solve for x
    x = 2,721,531,816.96/51,075.20
  6. Step 6: Final answer
    x = 53,284.80

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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.