Home / 45,288.24-67,935.73-12,007.56

Finding the Fourth Proportional to 45,288.24, 67,935.73 and 12,007.56

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Solution

The fourth proportional to 45,288.24, 67,935.73 and 12,007.56 is: 18,012.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,288.24 : 67,935.73 = 12,007.56 : x
  2. Step 2: Convert to fraction form
    45,288.24/67,935.73 = 12,007.56/x
  3. Step 3: Cross multiply
    45,288.24x = 67,935.73 × 12,007.56
  4. Step 4: Simplify right side
    45,288.24x = 815,742,354.12
  5. Step 5: Solve for x
    x = 815,742,354.12/45,288.24
  6. Step 6: Final answer
    x = 18,012.23

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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.