Home / 54,534.20-75,257.51-30,660.66

Finding the Fourth Proportional to 54,534.20, 75,257.51 and 30,660.66

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Solution

The fourth proportional to 54,534.20, 75,257.51 and 30,660.66 is: 42,311.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,534.20 : 75,257.51 = 30,660.66 : x
  2. Step 2: Convert to fraction form
    54,534.20/75,257.51 = 30,660.66/x
  3. Step 3: Cross multiply
    54,534.20x = 75,257.51 × 30,660.66
  4. Step 4: Simplify right side
    54,534.20x = 2,307,444,773.25
  5. Step 5: Solve for x
    x = 2,307,444,773.25/54,534.20
  6. Step 6: Final answer
    x = 42,311.89

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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.