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Finding the Fourth Proportional to 81,843.67, 112,943.16 and 46,033.67

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Solution

The fourth proportional to 81,843.67, 112,943.16 and 46,033.67 is: 63,525.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,843.67 : 112,943.16 = 46,033.67 : x
  2. Step 2: Convert to fraction form
    81,843.67/112,943.16 = 46,033.67/x
  3. Step 3: Cross multiply
    81,843.67x = 112,943.16 × 46,033.67
  4. Step 4: Simplify right side
    81,843.67x = 5,199,188,156.20
  5. Step 5: Solve for x
    x = 5,199,188,156.20/81,843.67
  6. Step 6: Final answer
    x = 63,525.84

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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.