Home / 98,827.53-136,382.09-53,505.54

Finding the Fourth Proportional to 98,827.53, 136,382.09 and 53,505.54

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Solution

The fourth proportional to 98,827.53, 136,382.09 and 53,505.54 is: 73,837.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,827.53 : 136,382.09 = 53,505.54 : x
  2. Step 2: Convert to fraction form
    98,827.53/136,382.09 = 53,505.54/x
  3. Step 3: Cross multiply
    98,827.53x = 136,382.09 × 53,505.54
  4. Step 4: Simplify right side
    98,827.53x = 7,297,197,615.68
  5. Step 5: Solve for x
    x = 7,297,197,615.68/98,827.53
  6. Step 6: Final answer
    x = 73,837.70

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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.