Home / 82,256.40-123,402.60-32,336.40

Finding the Fourth Proportional to 82,256.40, 123,402.60 and 32,336.40

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Solution

The fourth proportional to 82,256.40, 123,402.60 and 32,336.40 is: 48,511.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,256.40 : 123,402.60 = 32,336.40 : x
  2. Step 2: Convert to fraction form
    82,256.40/123,402.60 = 32,336.40/x
  3. Step 3: Cross multiply
    82,256.40x = 123,402.60 × 32,336.40
  4. Step 4: Simplify right side
    82,256.40x = 3,990,395,834.64
  5. Step 5: Solve for x
    x = 3,990,395,834.64/82,256.40
  6. Step 6: Final answer
    x = 48,511.68

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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.