Home / 81,882.50-122,626.91-46,715.54

Finding the Fourth Proportional to 81,882.50, 122,626.91 and 46,715.54

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Solution

The fourth proportional to 81,882.50, 122,626.91 and 46,715.54 is: 69,961.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,882.50 : 122,626.91 = 46,715.54 : x
  2. Step 2: Convert to fraction form
    81,882.50/122,626.91 = 46,715.54/x
  3. Step 3: Cross multiply
    81,882.50x = 122,626.91 × 46,715.54
  4. Step 4: Simplify right side
    81,882.50x = 5,728,581,822.84
  5. Step 5: Solve for x
    x = 5,728,581,822.84/81,882.50
  6. Step 6: Final answer
    x = 69,961.01

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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.