Home / 54,559.60-81,830.14-15,107.49

Finding the Fourth Proportional to 54,559.60, 81,830.14 and 15,107.49

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Solution

The fourth proportional to 54,559.60, 81,830.14 and 15,107.49 is: 22,658.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,559.60 : 81,830.14 = 15,107.49 : x
  2. Step 2: Convert to fraction form
    54,559.60/81,830.14 = 15,107.49/x
  3. Step 3: Cross multiply
    54,559.60x = 81,830.14 × 15,107.49
  4. Step 4: Simplify right side
    54,559.60x = 1,236,247,983.98
  5. Step 5: Solve for x
    x = 1,236,247,983.98/54,559.60
  6. Step 6: Final answer
    x = 22,658.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.