Home / 54,433.50-75,117.58-30,559.56

Finding the Fourth Proportional to 54,433.50, 75,117.58 and 30,559.56

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Solution

The fourth proportional to 54,433.50, 75,117.58 and 30,559.56 is: 42,171.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,433.50 : 75,117.58 = 30,559.56 : x
  2. Step 2: Convert to fraction form
    54,433.50/75,117.58 = 30,559.56/x
  3. Step 3: Cross multiply
    54,433.50x = 75,117.58 × 30,559.56
  4. Step 4: Simplify right side
    54,433.50x = 2,295,560,193.06
  5. Step 5: Solve for x
    x = 2,295,560,193.06/54,433.50
  6. Step 6: Final answer
    x = 42,171.83

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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.