Home / 92,836.18-128,113.82-50,394.72

Finding the Fourth Proportional to 92,836.18, 128,113.82 and 50,394.72

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Solution

The fourth proportional to 92,836.18, 128,113.82 and 50,394.72 is: 69,544.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,836.18 : 128,113.82 = 50,394.72 : x
  2. Step 2: Convert to fraction form
    92,836.18/128,113.82 = 50,394.72/x
  3. Step 3: Cross multiply
    92,836.18x = 128,113.82 × 50,394.72
  4. Step 4: Simplify right side
    92,836.18x = 6,456,260,087.03
  5. Step 5: Solve for x
    x = 6,456,260,087.03/92,836.18
  6. Step 6: Final answer
    x = 69,544.65

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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.