Home / 77,388.52-116,075.58-21,226.60

Finding the Fourth Proportional to 77,388.52, 116,075.58 and 21,226.60

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Solution

The fourth proportional to 77,388.52, 116,075.58 and 21,226.60 is: 31,837.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,388.52 : 116,075.58 = 21,226.60 : x
  2. Step 2: Convert to fraction form
    77,388.52/116,075.58 = 21,226.60/x
  3. Step 3: Cross multiply
    77,388.52x = 116,075.58 × 21,226.60
  4. Step 4: Simplify right side
    77,388.52x = 2,463,889,906.43
  5. Step 5: Solve for x
    x = 2,463,889,906.43/77,388.52
  6. Step 6: Final answer
    x = 31,837.93

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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.