Home / 45,622.29-68,433.20-12,342.22

Finding the Fourth Proportional to 45,622.29, 68,433.20 and 12,342.22

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Solution

The fourth proportional to 45,622.29, 68,433.20 and 12,342.22 is: 18,513.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,622.29 : 68,433.20 = 12,342.22 : x
  2. Step 2: Convert to fraction form
    45,622.29/68,433.20 = 12,342.22/x
  3. Step 3: Cross multiply
    45,622.29x = 68,433.20 × 12,342.22
  4. Step 4: Simplify right side
    45,622.29x = 844,617,877.55
  5. Step 5: Solve for x
    x = 844,617,877.55/45,622.29
  6. Step 6: Final answer
    x = 18,513.27

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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.