Home / 45,424.14-68,139.08-14,260.62

Finding the Fourth Proportional to 45,424.14, 68,139.08 and 14,260.62

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Solution

The fourth proportional to 45,424.14, 68,139.08 and 14,260.62 is: 21,391.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,424.14 : 68,139.08 = 14,260.62 : x
  2. Step 2: Convert to fraction form
    45,424.14/68,139.08 = 14,260.62/x
  3. Step 3: Cross multiply
    45,424.14x = 68,139.08 × 14,260.62
  4. Step 4: Simplify right side
    45,424.14x = 971,705,527.03
  5. Step 5: Solve for x
    x = 971,705,527.03/45,424.14
  6. Step 6: Final answer
    x = 21,391.83

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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.