Home / 45,920.56-68,706.94-27,210.64

Finding the Fourth Proportional to 45,920.56, 68,706.94 and 27,210.64

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Solution

The fourth proportional to 45,920.56, 68,706.94 and 27,210.64 is: 40,712.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,920.56 : 68,706.94 = 27,210.64 : x
  2. Step 2: Convert to fraction form
    45,920.56/68,706.94 = 27,210.64/x
  3. Step 3: Cross multiply
    45,920.56x = 68,706.94 × 27,210.64
  4. Step 4: Simplify right side
    45,920.56x = 1,869,559,809.84
  5. Step 5: Solve for x
    x = 1,869,559,809.84/45,920.56
  6. Step 6: Final answer
    x = 40,712.91

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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.