Home / 95,974.80-143,962.20-53,984.40

Finding the Fourth Proportional to 95,974.80, 143,962.20 and 53,984.40

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Solution

The fourth proportional to 95,974.80, 143,962.20 and 53,984.40 is: 80,976.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,974.80 : 143,962.20 = 53,984.40 : x
  2. Step 2: Convert to fraction form
    95,974.80/143,962.20 = 53,984.40/x
  3. Step 3: Cross multiply
    95,974.80x = 143,962.20 × 53,984.40
  4. Step 4: Simplify right side
    95,974.80x = 7,771,712,989.68
  5. Step 5: Solve for x
    x = 7,771,712,989.68/95,974.80
  6. Step 6: Final answer
    x = 80,976.60

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Similar ratio
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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.