Home / 45,991.46-68,974.83-12,703.70

Finding the Fourth Proportional to 45,991.46, 68,974.83 and 12,703.70

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Solution

The fourth proportional to 45,991.46, 68,974.83 and 12,703.70 is: 19,052.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,991.46 : 68,974.83 = 12,703.70 : x
  2. Step 2: Convert to fraction form
    45,991.46/68,974.83 = 12,703.70/x
  3. Step 3: Cross multiply
    45,991.46x = 68,974.83 × 12,703.70
  4. Step 4: Simplify right side
    45,991.46x = 876,235,547.87
  5. Step 5: Solve for x
    x = 876,235,547.87/45,991.46
  6. Step 6: Final answer
    x = 19,052.14

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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.