Home / 53,090.20-73,338.76-48,301.60

Finding the Fourth Proportional to 53,090.20, 73,338.76 and 48,301.60

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Solution

The fourth proportional to 53,090.20, 73,338.76 and 48,301.60 is: 66,723.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,090.20 : 73,338.76 = 48,301.60 : x
  2. Step 2: Convert to fraction form
    53,090.20/73,338.76 = 48,301.60/x
  3. Step 3: Cross multiply
    53,090.20x = 73,338.76 × 48,301.60
  4. Step 4: Simplify right side
    53,090.20x = 3,542,379,450.02
  5. Step 5: Solve for x
    x = 3,542,379,450.02/53,090.20
  6. Step 6: Final answer
    x = 66,723.79

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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.