Home / 98,827.53-136,382.08-53,505.55

Finding the Fourth Proportional to 98,827.53, 136,382.08 and 53,505.55

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Solution

The fourth proportional to 98,827.53, 136,382.08 and 53,505.55 is: 73,837.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,827.53 : 136,382.08 = 53,505.55 : x
  2. Step 2: Convert to fraction form
    98,827.53/136,382.08 = 53,505.55/x
  3. Step 3: Cross multiply
    98,827.53x = 136,382.08 × 53,505.55
  4. Step 4: Simplify right side
    98,827.53x = 7,297,198,200.54
  5. Step 5: Solve for x
    x = 7,297,198,200.54/98,827.53
  6. Step 6: Final answer
    x = 73,837.71

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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.