Home / 84,827.78-117,065.94-47,102

Finding the Fourth Proportional to 84,827.78, 117,065.94 and 47,102

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Solution

The fourth proportional to 84,827.78, 117,065.94 and 47,102 is: 65,002.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,827.78 : 117,065.94 = 47,102 : x
  2. Step 2: Convert to fraction form
    84,827.78/117,065.94 = 47,102/x
  3. Step 3: Cross multiply
    84,827.78x = 117,065.94 × 47,102
  4. Step 4: Simplify right side
    84,827.78x = 5,514,039,905.88
  5. Step 5: Solve for x
    x = 5,514,039,905.88/84,827.78
  6. Step 6: Final answer
    x = 65,002.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.