Home / 211,833.06-317,749.31-54,061.51

Finding the Fourth Proportional to 211,833.06, 317,749.31 and 54,061.51

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Solution

The fourth proportional to 211,833.06, 317,749.31 and 54,061.51 is: 81,092.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,833.06 : 317,749.31 = 54,061.51 : x
  2. Step 2: Convert to fraction form
    211,833.06/317,749.31 = 54,061.51/x
  3. Step 3: Cross multiply
    211,833.06x = 317,749.31 × 54,061.51
  4. Step 4: Simplify right side
    211,833.06x = 17,178,007,500.06
  5. Step 5: Solve for x
    x = 17,178,007,500.06/211,833.06
  6. Step 6: Final answer
    x = 81,092.19

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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.