Home / 77,664.66-116,497.14-21,504.93

Finding the Fourth Proportional to 77,664.66, 116,497.14 and 21,504.93

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Solution

The fourth proportional to 77,664.66, 116,497.14 and 21,504.93 is: 32,257.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,664.66 : 116,497.14 = 21,504.93 : x
  2. Step 2: Convert to fraction form
    77,664.66/116,497.14 = 21,504.93/x
  3. Step 3: Cross multiply
    77,664.66x = 116,497.14 × 21,504.93
  4. Step 4: Simplify right side
    77,664.66x = 2,505,262,840.90
  5. Step 5: Solve for x
    x = 2,505,262,840.90/77,664.66
  6. Step 6: Final answer
    x = 32,257.44

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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.