Home / 82,309.40-123,464.10-44,984.60

Finding the Fourth Proportional to 82,309.40, 123,464.10 and 44,984.60

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Solution

The fourth proportional to 82,309.40, 123,464.10 and 44,984.60 is: 67,476.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,309.40 : 123,464.10 = 44,984.60 : x
  2. Step 2: Convert to fraction form
    82,309.40/123,464.10 = 44,984.60/x
  3. Step 3: Cross multiply
    82,309.40x = 123,464.10 × 44,984.60
  4. Step 4: Simplify right side
    82,309.40x = 5,553,983,152.86
  5. Step 5: Solve for x
    x = 5,553,983,152.86/82,309.40
  6. Step 6: Final answer
    x = 67,476.90

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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.