Home / 71,208.12-98,304.30-66,496.44

Finding the Fourth Proportional to 71,208.12, 98,304.30 and 66,496.44

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Solution

The fourth proportional to 71,208.12, 98,304.30 and 66,496.44 is: 91,799.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,208.12 : 98,304.30 = 66,496.44 : x
  2. Step 2: Convert to fraction form
    71,208.12/98,304.30 = 66,496.44/x
  3. Step 3: Cross multiply
    71,208.12x = 98,304.30 × 66,496.44
  4. Step 4: Simplify right side
    71,208.12x = 6,536,885,986.69
  5. Step 5: Solve for x
    x = 6,536,885,986.69/71,208.12
  6. Step 6: Final answer
    x = 91,799.73

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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.