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Finding the Fourth Proportional to 84,652.75, 116,821.13 and 46,412.88

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Solution

The fourth proportional to 84,652.75, 116,821.13 and 46,412.88 is: 64,049.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,652.75 : 116,821.13 = 46,412.88 : x
  2. Step 2: Convert to fraction form
    84,652.75/116,821.13 = 46,412.88/x
  3. Step 3: Cross multiply
    84,652.75x = 116,821.13 × 46,412.88
  4. Step 4: Simplify right side
    84,652.75x = 5,422,005,021.68
  5. Step 5: Solve for x
    x = 5,422,005,021.68/84,652.75
  6. Step 6: Final answer
    x = 64,049.96

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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.