Home / 96,955.80-145,433.43-30,396.21

Finding the Fourth Proportional to 96,955.80, 145,433.43 and 30,396.21

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Solution

The fourth proportional to 96,955.80, 145,433.43 and 30,396.21 is: 45,594.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,955.80 : 145,433.43 = 30,396.21 : x
  2. Step 2: Convert to fraction form
    96,955.80/145,433.43 = 30,396.21/x
  3. Step 3: Cross multiply
    96,955.80x = 145,433.43 × 30,396.21
  4. Step 4: Simplify right side
    96,955.80x = 4,420,625,079.30
  5. Step 5: Solve for x
    x = 4,420,625,079.30/96,955.80
  6. Step 6: Final answer
    x = 45,594.23

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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.