Home / 45,626.29-68,438.52-12,351.08

Finding the Fourth Proportional to 45,626.29, 68,438.52 and 12,351.08

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Solution

The fourth proportional to 45,626.29, 68,438.52 and 12,351.08 is: 18,526.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,626.29 : 68,438.52 = 12,351.08 : x
  2. Step 2: Convert to fraction form
    45,626.29/68,438.52 = 12,351.08/x
  3. Step 3: Cross multiply
    45,626.29x = 68,438.52 × 12,351.08
  4. Step 4: Simplify right side
    45,626.29x = 845,289,806.70
  5. Step 5: Solve for x
    x = 845,289,806.70/45,626.29
  6. Step 6: Final answer
    x = 18,526.38

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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.