Home / 98,184.54-135,462.34-57,339.28

Finding the Fourth Proportional to 98,184.54, 135,462.34 and 57,339.28

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Solution

The fourth proportional to 98,184.54, 135,462.34 and 57,339.28 is: 79,109.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,184.54 : 135,462.34 = 57,339.28 : x
  2. Step 2: Convert to fraction form
    98,184.54/135,462.34 = 57,339.28/x
  3. Step 3: Cross multiply
    98,184.54x = 135,462.34 × 57,339.28
  4. Step 4: Simplify right side
    98,184.54x = 7,767,313,042.72
  5. Step 5: Solve for x
    x = 7,767,313,042.72/98,184.54
  6. Step 6: Final answer
    x = 79,109.33

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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.