Home / 82,869.06-124,310.46-29,540.40

Finding the Fourth Proportional to 82,869.06, 124,310.46 and 29,540.40

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Solution

The fourth proportional to 82,869.06, 124,310.46 and 29,540.40 is: 44,313.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,869.06 : 124,310.46 = 29,540.40 : x
  2. Step 2: Convert to fraction form
    82,869.06/124,310.46 = 29,540.40/x
  3. Step 3: Cross multiply
    82,869.06x = 124,310.46 × 29,540.40
  4. Step 4: Simplify right side
    82,869.06x = 3,672,180,712.58
  5. Step 5: Solve for x
    x = 3,672,180,712.58/82,869.06
  6. Step 6: Final answer
    x = 44,313.05

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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.