Home / 97,939.73-135,185.71-63,953.50

Finding the Fourth Proportional to 97,939.73, 135,185.71 and 63,953.50

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Solution

The fourth proportional to 97,939.73, 135,185.71 and 63,953.50 is: 88,274.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,939.73 : 135,185.71 = 63,953.50 : x
  2. Step 2: Convert to fraction form
    97,939.73/135,185.71 = 63,953.50/x
  3. Step 3: Cross multiply
    97,939.73x = 135,185.71 × 63,953.50
  4. Step 4: Simplify right side
    97,939.73x = 8,645,599,180.02
  5. Step 5: Solve for x
    x = 8,645,599,180.02/97,939.73
  6. Step 6: Final answer
    x = 88,274.69

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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.