Home / 84,027.88-116,051.78-57,123.68

Finding the Fourth Proportional to 84,027.88, 116,051.78 and 57,123.68

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Solution

The fourth proportional to 84,027.88, 116,051.78 and 57,123.68 is: 78,894.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,027.88 : 116,051.78 = 57,123.68 : x
  2. Step 2: Convert to fraction form
    84,027.88/116,051.78 = 57,123.68/x
  3. Step 3: Cross multiply
    84,027.88x = 116,051.78 × 57,123.68
  4. Step 4: Simplify right side
    84,027.88x = 6,629,304,744.15
  5. Step 5: Solve for x
    x = 6,629,304,744.15/84,027.88
  6. Step 6: Final answer
    x = 78,894.11

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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.