Home / 98,983.59-136,597.38-53,661.56

Finding the Fourth Proportional to 98,983.59, 136,597.38 and 53,661.56

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Solution

The fourth proportional to 98,983.59, 136,597.38 and 53,661.56 is: 74,052.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,983.59 : 136,597.38 = 53,661.56 : x
  2. Step 2: Convert to fraction form
    98,983.59/136,597.38 = 53,661.56/x
  3. Step 3: Cross multiply
    98,983.59x = 136,597.38 × 53,661.56
  4. Step 4: Simplify right side
    98,983.59x = 7,330,027,819.73
  5. Step 5: Solve for x
    x = 7,330,027,819.73/98,983.59
  6. Step 6: Final answer
    x = 74,052.96

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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.