Home / 82,715.48-114,110.74-50,865.56

Finding the Fourth Proportional to 82,715.48, 114,110.74 and 50,865.56

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Solution

The fourth proportional to 82,715.48, 114,110.74 and 50,865.56 is: 70,171.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,715.48 : 114,110.74 = 50,865.56 : x
  2. Step 2: Convert to fraction form
    82,715.48/114,110.74 = 50,865.56/x
  3. Step 3: Cross multiply
    82,715.48x = 114,110.74 × 50,865.56
  4. Step 4: Simplify right side
    82,715.48x = 5,804,306,692.11
  5. Step 5: Solve for x
    x = 5,804,306,692.11/82,715.48
  6. Step 6: Final answer
    x = 70,171.95

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1.5x scale

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.