Home / 98,042.88-135,313.20-55,026.96

Finding the Fourth Proportional to 98,042.88, 135,313.20 and 55,026.96

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Solution

The fourth proportional to 98,042.88, 135,313.20 and 55,026.96 is: 75,945.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,042.88 : 135,313.20 = 55,026.96 : x
  2. Step 2: Convert to fraction form
    98,042.88/135,313.20 = 55,026.96/x
  3. Step 3: Cross multiply
    98,042.88x = 135,313.20 × 55,026.96
  4. Step 4: Simplify right side
    98,042.88x = 7,445,874,043.87
  5. Step 5: Solve for x
    x = 7,445,874,043.87/98,042.88
  6. Step 6: Final answer
    x = 75,945.08

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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.