Home / 45,620.10-68,408.28-23,422.05

Finding the Fourth Proportional to 45,620.10, 68,408.28 and 23,422.05

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Solution

The fourth proportional to 45,620.10, 68,408.28 and 23,422.05 is: 35,121.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,620.10 : 68,408.28 = 23,422.05 : x
  2. Step 2: Convert to fraction form
    45,620.10/68,408.28 = 23,422.05/x
  3. Step 3: Cross multiply
    45,620.10x = 68,408.28 × 23,422.05
  4. Step 4: Simplify right side
    45,620.10x = 1,602,262,154.57
  5. Step 5: Solve for x
    x = 1,602,262,154.57/45,620.10
  6. Step 6: Final answer
    x = 35,121.85

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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.