Home / 73,029.51-109,458.90-64,725.75

Finding the Fourth Proportional to 73,029.51, 109,458.90 and 64,725.75

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Solution

The fourth proportional to 73,029.51, 109,458.90 and 64,725.75 is: 97,012.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,029.51 : 109,458.90 = 64,725.75 : x
  2. Step 2: Convert to fraction form
    73,029.51/109,458.90 = 64,725.75/x
  3. Step 3: Cross multiply
    73,029.51x = 109,458.90 × 64,725.75
  4. Step 4: Simplify right side
    73,029.51x = 7,084,809,396.68
  5. Step 5: Solve for x
    x = 7,084,809,396.68/73,029.51
  6. Step 6: Final answer
    x = 97,012.97

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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.