Home / 54,546.12-75,274.10-30,672.59

Finding the Fourth Proportional to 54,546.12, 75,274.10 and 30,672.59

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Solution

The fourth proportional to 54,546.12, 75,274.10 and 30,672.59 is: 42,328.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,546.12 : 75,274.10 = 30,672.59 : x
  2. Step 2: Convert to fraction form
    54,546.12/75,274.10 = 30,672.59/x
  3. Step 3: Cross multiply
    54,546.12x = 75,274.10 × 30,672.59
  4. Step 4: Simplify right side
    54,546.12x = 2,308,851,606.92
  5. Step 5: Solve for x
    x = 2,308,851,606.92/54,546.12
  6. Step 6: Final answer
    x = 42,328.43

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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.