Home / 82,419.10-123,628.65-44,964.70

Finding the Fourth Proportional to 82,419.10, 123,628.65 and 44,964.70

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Solution

The fourth proportional to 82,419.10, 123,628.65 and 44,964.70 is: 67,447.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,419.10 : 123,628.65 = 44,964.70 : x
  2. Step 2: Convert to fraction form
    82,419.10/123,628.65 = 44,964.70/x
  3. Step 3: Cross multiply
    82,419.10x = 123,628.65 × 44,964.70
  4. Step 4: Simplify right side
    82,419.10x = 5,558,925,158.66
  5. Step 5: Solve for x
    x = 5,558,925,158.66/82,419.10
  6. Step 6: Final answer
    x = 67,447.05

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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.