Home / 45,228.88-67,846.57-11,948.51

Finding the Fourth Proportional to 45,228.88, 67,846.57 and 11,948.51

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Solution

The fourth proportional to 45,228.88, 67,846.57 and 11,948.51 is: 17,923.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,228.88 : 67,846.57 = 11,948.51 : x
  2. Step 2: Convert to fraction form
    45,228.88/67,846.57 = 11,948.51/x
  3. Step 3: Cross multiply
    45,228.88x = 67,846.57 × 11,948.51
  4. Step 4: Simplify right side
    45,228.88x = 810,665,420.11
  5. Step 5: Solve for x
    x = 810,665,420.11/45,228.88
  6. Step 6: Final answer
    x = 17,923.62

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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.