Home / 66,257.12-91,434.12-36,043.04

Finding the Fourth Proportional to 66,257.12, 91,434.12 and 36,043.04

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Solution

The fourth proportional to 66,257.12, 91,434.12 and 36,043.04 is: 49,739.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,257.12 : 91,434.12 = 36,043.04 : x
  2. Step 2: Convert to fraction form
    66,257.12/91,434.12 = 36,043.04/x
  3. Step 3: Cross multiply
    66,257.12x = 91,434.12 × 36,043.04
  4. Step 4: Simplify right side
    66,257.12x = 3,295,563,644.52
  5. Step 5: Solve for x
    x = 3,295,563,644.52/66,257.12
  6. Step 6: Final answer
    x = 49,739.01

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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.