Home / 86,579.25-119,499.26-50,780.79

Finding the Fourth Proportional to 86,579.25, 119,499.26 and 50,780.79

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Solution

The fourth proportional to 86,579.25, 119,499.26 and 50,780.79 is: 70,089.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,579.25 : 119,499.26 = 50,780.79 : x
  2. Step 2: Convert to fraction form
    86,579.25/119,499.26 = 50,780.79/x
  3. Step 3: Cross multiply
    86,579.25x = 119,499.26 × 50,780.79
  4. Step 4: Simplify right side
    86,579.25x = 6,068,266,573.31
  5. Step 5: Solve for x
    x = 6,068,266,573.31/86,579.25
  6. Step 6: Final answer
    x = 70,089.16

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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.