Home / 84,926.34-117,165.69-54,709.29

Finding the Fourth Proportional to 84,926.34, 117,165.69 and 54,709.29

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Solution

The fourth proportional to 84,926.34, 117,165.69 and 54,709.29 is: 75,477.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,926.34 : 117,165.69 = 54,709.29 : x
  2. Step 2: Convert to fraction form
    84,926.34/117,165.69 = 54,709.29/x
  3. Step 3: Cross multiply
    84,926.34x = 117,165.69 × 54,709.29
  4. Step 4: Simplify right side
    84,926.34x = 6,410,051,712.26
  5. Step 5: Solve for x
    x = 6,410,051,712.26/84,926.34
  6. Step 6: Final answer
    x = 75,477.78

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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.