Home / 65,728.20-98,592.30-30,736.20

Finding the Fourth Proportional to 65,728.20, 98,592.30 and 30,736.20

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Solution

The fourth proportional to 65,728.20, 98,592.30 and 30,736.20 is: 46,104.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,728.20 : 98,592.30 = 30,736.20 : x
  2. Step 2: Convert to fraction form
    65,728.20/98,592.30 = 30,736.20/x
  3. Step 3: Cross multiply
    65,728.20x = 98,592.30 × 30,736.20
  4. Step 4: Simplify right side
    65,728.20x = 3,030,352,651.26
  5. Step 5: Solve for x
    x = 3,030,352,651.26/65,728.20
  6. Step 6: Final answer
    x = 46,104.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.