Home / 91,826.70-137,769.81-45,046.77

Finding the Fourth Proportional to 91,826.70, 137,769.81 and 45,046.77

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Solution

The fourth proportional to 91,826.70, 137,769.81 and 45,046.77 is: 67,584.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,826.70 : 137,769.81 = 45,046.77 : x
  2. Step 2: Convert to fraction form
    91,826.70/137,769.81 = 45,046.77/x
  3. Step 3: Cross multiply
    91,826.70x = 137,769.81 × 45,046.77
  4. Step 4: Simplify right side
    91,826.70x = 6,206,084,944.01
  5. Step 5: Solve for x
    x = 6,206,084,944.01/91,826.70
  6. Step 6: Final answer
    x = 67,584.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.