Home / 45,340.62-68,010.85-12,060.72

Finding the Fourth Proportional to 45,340.62, 68,010.85 and 12,060.72

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Solution

The fourth proportional to 45,340.62, 68,010.85 and 12,060.72 is: 18,091.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,340.62 : 68,010.85 = 12,060.72 : x
  2. Step 2: Convert to fraction form
    45,340.62/68,010.85 = 12,060.72/x
  3. Step 3: Cross multiply
    45,340.62x = 68,010.85 × 12,060.72
  4. Step 4: Simplify right side
    45,340.62x = 820,259,818.81
  5. Step 5: Solve for x
    x = 820,259,818.81/45,340.62
  6. Step 6: Final answer
    x = 18,091.06

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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.