Home / 84,558.96-116,638.56-54,383.58

Finding the Fourth Proportional to 84,558.96, 116,638.56 and 54,383.58

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Solution

The fourth proportional to 84,558.96, 116,638.56 and 54,383.58 is: 75,015.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,558.96 : 116,638.56 = 54,383.58 : x
  2. Step 2: Convert to fraction form
    84,558.96/116,638.56 = 54,383.58/x
  3. Step 3: Cross multiply
    84,558.96x = 116,638.56 × 54,383.58
  4. Step 4: Simplify right side
    84,558.96x = 6,343,222,458.84
  5. Step 5: Solve for x
    x = 6,343,222,458.84/84,558.96
  6. Step 6: Final answer
    x = 75,015.38

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1.5x scale

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.