Home / 82,912.64-124,346.16-22,926.80

Finding the Fourth Proportional to 82,912.64, 124,346.16 and 22,926.80

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Solution

The fourth proportional to 82,912.64, 124,346.16 and 22,926.80 is: 34,383.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,912.64 : 124,346.16 = 22,926.80 : x
  2. Step 2: Convert to fraction form
    82,912.64/124,346.16 = 22,926.80/x
  3. Step 3: Cross multiply
    82,912.64x = 124,346.16 × 22,926.80
  4. Step 4: Simplify right side
    82,912.64x = 2,850,859,541.09
  5. Step 5: Solve for x
    x = 2,850,859,541.09/82,912.64
  6. Step 6: Final answer
    x = 34,383.90

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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.