Home / 98,218.08-135,556.40-57,936.36

Finding the Fourth Proportional to 98,218.08, 135,556.40 and 57,936.36

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Solution

The fourth proportional to 98,218.08, 135,556.40 and 57,936.36 is: 79,961.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,218.08 : 135,556.40 = 57,936.36 : x
  2. Step 2: Convert to fraction form
    98,218.08/135,556.40 = 57,936.36/x
  3. Step 3: Cross multiply
    98,218.08x = 135,556.40 × 57,936.36
  4. Step 4: Simplify right side
    98,218.08x = 7,853,644,390.70
  5. Step 5: Solve for x
    x = 7,853,644,390.70/98,218.08
  6. Step 6: Final answer
    x = 79,961.29

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1.5x scale

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.