Home / 76,048.07-114,078.77-19,887.96

Finding the Fourth Proportional to 76,048.07, 114,078.77 and 19,887.96

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Solution

The fourth proportional to 76,048.07, 114,078.77 and 19,887.96 is: 29,833.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,048.07 : 114,078.77 = 19,887.96 : x
  2. Step 2: Convert to fraction form
    76,048.07/114,078.77 = 19,887.96/x
  3. Step 3: Cross multiply
    76,048.07x = 114,078.77 × 19,887.96
  4. Step 4: Simplify right side
    76,048.07x = 2,268,793,915.17
  5. Step 5: Solve for x
    x = 2,268,793,915.17/76,048.07
  6. Step 6: Final answer
    x = 29,833.68

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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.