Home / 53,844.40-80,766.60-34,145.20

Finding the Fourth Proportional to 53,844.40, 80,766.60 and 34,145.20

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Solution

The fourth proportional to 53,844.40, 80,766.60 and 34,145.20 is: 51,217.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,844.40 : 80,766.60 = 34,145.20 : x
  2. Step 2: Convert to fraction form
    53,844.40/80,766.60 = 34,145.20/x
  3. Step 3: Cross multiply
    53,844.40x = 80,766.60 × 34,145.20
  4. Step 4: Simplify right side
    53,844.40x = 2,757,791,710.32
  5. Step 5: Solve for x
    x = 2,757,791,710.32/53,844.40
  6. Step 6: Final answer
    x = 51,217.80

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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.