Home / 84,864.78-117,005.31-53,022.06

Finding the Fourth Proportional to 84,864.78, 117,005.31 and 53,022.06

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Solution

The fourth proportional to 84,864.78, 117,005.31 and 53,022.06 is: 73,102.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,864.78 : 117,005.31 = 53,022.06 : x
  2. Step 2: Convert to fraction form
    84,864.78/117,005.31 = 53,022.06/x
  3. Step 3: Cross multiply
    84,864.78x = 117,005.31 × 53,022.06
  4. Step 4: Simplify right side
    84,864.78x = 6,203,862,567.14
  5. Step 5: Solve for x
    x = 6,203,862,567.14/84,864.78
  6. Step 6: Final answer
    x = 73,102.91

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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.