Home / 77,662.02-116,495.69-21,497.43

Finding the Fourth Proportional to 77,662.02, 116,495.69 and 21,497.43

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Solution

The fourth proportional to 77,662.02, 116,495.69 and 21,497.43 is: 32,246.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,662.02 : 116,495.69 = 21,497.43 : x
  2. Step 2: Convert to fraction form
    77,662.02/116,495.69 = 21,497.43/x
  3. Step 3: Cross multiply
    77,662.02x = 116,495.69 × 21,497.43
  4. Step 4: Simplify right side
    77,662.02x = 2,504,357,941.08
  5. Step 5: Solve for x
    x = 2,504,357,941.08/77,662.02
  6. Step 6: Final answer
    x = 32,246.88

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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.