Home / 84,053.07-115,992.49-45,812.62

Finding the Fourth Proportional to 84,053.07, 115,992.49 and 45,812.62

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Solution

The fourth proportional to 84,053.07, 115,992.49 and 45,812.62 is: 63,221.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,053.07 : 115,992.49 = 45,812.62 : x
  2. Step 2: Convert to fraction form
    84,053.07/115,992.49 = 45,812.62/x
  3. Step 3: Cross multiply
    84,053.07x = 115,992.49 × 45,812.62
  4. Step 4: Simplify right side
    84,053.07x = 5,313,919,459.97
  5. Step 5: Solve for x
    x = 5,313,919,459.97/84,053.07
  6. Step 6: Final answer
    x = 63,221.01

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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.