Home / 84,037.55-115,976.14-46,311.80

Finding the Fourth Proportional to 84,037.55, 115,976.14 and 46,311.80

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Solution

The fourth proportional to 84,037.55, 115,976.14 and 46,311.80 is: 63,912.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,037.55 : 115,976.14 = 46,311.80 : x
  2. Step 2: Convert to fraction form
    84,037.55/115,976.14 = 46,311.80/x
  3. Step 3: Cross multiply
    84,037.55x = 115,976.14 × 46,311.80
  4. Step 4: Simplify right side
    84,037.55x = 5,371,063,800.45
  5. Step 5: Solve for x
    x = 5,371,063,800.45/84,037.55
  6. Step 6: Final answer
    x = 63,912.67

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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.