Home / 54,742.60-82,146.30-36,076.60

Finding the Fourth Proportional to 54,742.60, 82,146.30 and 36,076.60

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Solution

The fourth proportional to 54,742.60, 82,146.30 and 36,076.60 is: 54,136.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,742.60 : 82,146.30 = 36,076.60 : x
  2. Step 2: Convert to fraction form
    54,742.60/82,146.30 = 36,076.60/x
  3. Step 3: Cross multiply
    54,742.60x = 82,146.30 × 36,076.60
  4. Step 4: Simplify right side
    54,742.60x = 2,963,559,206.58
  5. Step 5: Solve for x
    x = 2,963,559,206.58/54,742.60
  6. Step 6: Final answer
    x = 54,136.25

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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.