Home / 54,200.64-74,768.76-38,259.84

Finding the Fourth Proportional to 54,200.64, 74,768.76 and 38,259.84

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Solution

The fourth proportional to 54,200.64, 74,768.76 and 38,259.84 is: 52,778.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,200.64 : 74,768.76 = 38,259.84 : x
  2. Step 2: Convert to fraction form
    54,200.64/74,768.76 = 38,259.84/x
  3. Step 3: Cross multiply
    54,200.64x = 74,768.76 × 38,259.84
  4. Step 4: Simplify right side
    54,200.64x = 2,860,640,794.60
  5. Step 5: Solve for x
    x = 2,860,640,794.60/54,200.64
  6. Step 6: Final answer
    x = 52,778.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.