Home / 45,846.08-68,769.16-12,566.40

Finding the Fourth Proportional to 45,846.08, 68,769.16 and 12,566.40

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Solution

The fourth proportional to 45,846.08, 68,769.16 and 12,566.40 is: 18,849.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,846.08 : 68,769.16 = 12,566.40 : x
  2. Step 2: Convert to fraction form
    45,846.08/68,769.16 = 12,566.40/x
  3. Step 3: Cross multiply
    45,846.08x = 68,769.16 × 12,566.40
  4. Step 4: Simplify right side
    45,846.08x = 864,180,772.22
  5. Step 5: Solve for x
    x = 864,180,772.22/45,846.08
  6. Step 6: Final answer
    x = 18,849.61

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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.