Home / 84,311.56-116,296.86-54,065.08

Finding the Fourth Proportional to 84,311.56, 116,296.86 and 54,065.08

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Solution

The fourth proportional to 84,311.56, 116,296.86 and 54,065.08 is: 74,575.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,311.56 : 116,296.86 = 54,065.08 : x
  2. Step 2: Convert to fraction form
    84,311.56/116,296.86 = 54,065.08/x
  3. Step 3: Cross multiply
    84,311.56x = 116,296.86 × 54,065.08
  4. Step 4: Simplify right side
    84,311.56x = 6,287,599,039.65
  5. Step 5: Solve for x
    x = 6,287,599,039.65/84,311.56
  6. Step 6: Final answer
    x = 74,575.76

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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.