Home / 84,184.98-116,138.56-55,467.79

Finding the Fourth Proportional to 84,184.98, 116,138.56 and 55,467.79

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Solution

The fourth proportional to 84,184.98, 116,138.56 and 55,467.79 is: 76,521.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,184.98 : 116,138.56 = 55,467.79 : x
  2. Step 2: Convert to fraction form
    84,184.98/116,138.56 = 55,467.79/x
  3. Step 3: Cross multiply
    84,184.98x = 116,138.56 × 55,467.79
  4. Step 4: Simplify right side
    84,184.98x = 6,441,949,256.98
  5. Step 5: Solve for x
    x = 6,441,949,256.98/84,184.98
  6. Step 6: Final answer
    x = 76,521.36

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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.