Home / 45,552.12-68,332.26-12,271.44

Finding the Fourth Proportional to 45,552.12, 68,332.26 and 12,271.44

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Solution

The fourth proportional to 45,552.12, 68,332.26 and 12,271.44 is: 18,408.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,552.12 : 68,332.26 = 12,271.44 : x
  2. Step 2: Convert to fraction form
    45,552.12/68,332.26 = 12,271.44/x
  3. Step 3: Cross multiply
    45,552.12x = 68,332.26 × 12,271.44
  4. Step 4: Simplify right side
    45,552.12x = 838,535,228.65
  5. Step 5: Solve for x
    x = 838,535,228.65/45,552.12
  6. Step 6: Final answer
    x = 18,408.26

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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.