Home / 98,698.13-136,198.26-55,676.36

Finding the Fourth Proportional to 98,698.13, 136,198.26 and 55,676.36

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Solution

The fourth proportional to 98,698.13, 136,198.26 and 55,676.36 is: 76,830.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,698.13 : 136,198.26 = 55,676.36 : x
  2. Step 2: Convert to fraction form
    98,698.13/136,198.26 = 55,676.36/x
  3. Step 3: Cross multiply
    98,698.13x = 136,198.26 × 55,676.36
  4. Step 4: Simplify right side
    98,698.13x = 7,583,023,695.63
  5. Step 5: Solve for x
    x = 7,583,023,695.63/98,698.13
  6. Step 6: Final answer
    x = 76,830.47

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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.