Home / 98,326.36-135,702.03-55,891.27

Finding the Fourth Proportional to 98,326.36, 135,702.03 and 55,891.27

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Solution

The fourth proportional to 98,326.36, 135,702.03 and 55,891.27 is: 77,136.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,326.36 : 135,702.03 = 55,891.27 : x
  2. Step 2: Convert to fraction form
    98,326.36/135,702.03 = 55,891.27/x
  3. Step 3: Cross multiply
    98,326.36x = 135,702.03 × 55,891.27
  4. Step 4: Simplify right side
    98,326.36x = 7,584,558,798.28
  5. Step 5: Solve for x
    x = 7,584,558,798.28/98,326.36
  6. Step 6: Final answer
    x = 77,136.58

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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.