Home / 77,075.88-115,619.46-32,697.60

Finding the Fourth Proportional to 77,075.88, 115,619.46 and 32,697.60

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Solution

The fourth proportional to 77,075.88, 115,619.46 and 32,697.60 is: 49,048.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,075.88 : 115,619.46 = 32,697.60 : x
  2. Step 2: Convert to fraction form
    77,075.88/115,619.46 = 32,697.60/x
  3. Step 3: Cross multiply
    77,075.88x = 115,619.46 × 32,697.60
  4. Step 4: Simplify right side
    77,075.88x = 3,780,478,855.30
  5. Step 5: Solve for x
    x = 3,780,478,855.30/77,075.88
  6. Step 6: Final answer
    x = 49,048.79

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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.