Home / 54,650.07-75,416.36-30,777.03

Finding the Fourth Proportional to 54,650.07, 75,416.36 and 30,777.03

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Solution

The fourth proportional to 54,650.07, 75,416.36 and 30,777.03 is: 42,471.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,650.07 : 75,416.36 = 30,777.03 : x
  2. Step 2: Convert to fraction form
    54,650.07/75,416.36 = 30,777.03/x
  3. Step 3: Cross multiply
    54,650.07x = 75,416.36 × 30,777.03
  4. Step 4: Simplify right side
    54,650.07x = 2,321,091,420.33
  5. Step 5: Solve for x
    x = 2,321,091,420.33/54,650.07
  6. Step 6: Final answer
    x = 42,471.88

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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.