Home / 98,828.70-136,382.58-53,505.48

Finding the Fourth Proportional to 98,828.70, 136,382.58 and 53,505.48

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Solution

The fourth proportional to 98,828.70, 136,382.58 and 53,505.48 is: 73,837.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,828.70 : 136,382.58 = 53,505.48 : x
  2. Step 2: Convert to fraction form
    98,828.70/136,382.58 = 53,505.48/x
  3. Step 3: Cross multiply
    98,828.70x = 136,382.58 × 53,505.48
  4. Step 4: Simplify right side
    98,828.70x = 7,297,215,406.54
  5. Step 5: Solve for x
    x = 7,297,215,406.54/98,828.70
  6. Step 6: Final answer
    x = 73,837.01

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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.