Home / 66,166.97-91,321.31-48,321.05

Finding the Fourth Proportional to 66,166.97, 91,321.31 and 48,321.05

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Solution

The fourth proportional to 66,166.97, 91,321.31 and 48,321.05 is: 66,691.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,166.97 : 91,321.31 = 48,321.05 : x
  2. Step 2: Convert to fraction form
    66,166.97/91,321.31 = 48,321.05/x
  3. Step 3: Cross multiply
    66,166.97x = 91,321.31 × 48,321.05
  4. Step 4: Simplify right side
    66,166.97x = 4,412,741,344.97
  5. Step 5: Solve for x
    x = 4,412,741,344.97/66,166.97
  6. Step 6: Final answer
    x = 66,691.00

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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.