Home / 116,979.72-175,538.70-43,159.56

Finding the Fourth Proportional to 116,979.72, 175,538.70 and 43,159.56

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Solution

The fourth proportional to 116,979.72, 175,538.70 and 43,159.56 is: 64,764.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,979.72 : 175,538.70 = 43,159.56 : x
  2. Step 2: Convert to fraction form
    116,979.72/175,538.70 = 43,159.56/x
  3. Step 3: Cross multiply
    116,979.72x = 175,538.70 × 43,159.56
  4. Step 4: Simplify right side
    116,979.72x = 7,576,173,054.97
  5. Step 5: Solve for x
    x = 7,576,173,054.97/116,979.72
  6. Step 6: Final answer
    x = 64,764.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.