Home / 98,768.97-136,300.14-53,445.96

Finding the Fourth Proportional to 98,768.97, 136,300.14 and 53,445.96

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Solution

The fourth proportional to 98,768.97, 136,300.14 and 53,445.96 is: 73,754.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,768.97 : 136,300.14 = 53,445.96 : x
  2. Step 2: Convert to fraction form
    98,768.97/136,300.14 = 53,445.96/x
  3. Step 3: Cross multiply
    98,768.97x = 136,300.14 × 53,445.96
  4. Step 4: Simplify right side
    98,768.97x = 7,284,691,830.43
  5. Step 5: Solve for x
    x = 7,284,691,830.43/98,768.97
  6. Step 6: Final answer
    x = 73,754.86

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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.