Home / 84,905.07-117,169.53-53,092.59

Finding the Fourth Proportional to 84,905.07, 117,169.53 and 53,092.59

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Solution

The fourth proportional to 84,905.07, 117,169.53 and 53,092.59 is: 73,268.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,905.07 : 117,169.53 = 53,092.59 : x
  2. Step 2: Convert to fraction form
    84,905.07/117,169.53 = 53,092.59/x
  3. Step 3: Cross multiply
    84,905.07x = 117,169.53 × 53,092.59
  4. Step 4: Simplify right side
    84,905.07x = 6,220,833,816.78
  5. Step 5: Solve for x
    x = 6,220,833,816.78/84,905.07
  6. Step 6: Final answer
    x = 73,268.11

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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.