Home / 98,828.67-136,382.61-53,505.51

Finding the Fourth Proportional to 98,828.67, 136,382.61 and 53,505.51

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Solution

The fourth proportional to 98,828.67, 136,382.61 and 53,505.51 is: 73,837.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,828.67 : 136,382.61 = 53,505.51 : x
  2. Step 2: Convert to fraction form
    98,828.67/136,382.61 = 53,505.51/x
  3. Step 3: Cross multiply
    98,828.67x = 136,382.61 × 53,505.51
  4. Step 4: Simplify right side
    98,828.67x = 7,297,221,103.18
  5. Step 5: Solve for x
    x = 7,297,221,103.18/98,828.67
  6. Step 6: Final answer
    x = 73,837.09

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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.