Home / 95,621.60-143,432.40-54,149.60

Finding the Fourth Proportional to 95,621.60, 143,432.40 and 54,149.60

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Solution

The fourth proportional to 95,621.60, 143,432.40 and 54,149.60 is: 81,224.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,621.60 : 143,432.40 = 54,149.60 : x
  2. Step 2: Convert to fraction form
    95,621.60/143,432.40 = 54,149.60/x
  3. Step 3: Cross multiply
    95,621.60x = 143,432.40 × 54,149.60
  4. Step 4: Simplify right side
    95,621.60x = 7,766,807,087.04
  5. Step 5: Solve for x
    x = 7,766,807,087.04/95,621.60
  6. Step 6: Final answer
    x = 81,224.40

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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.