Home / 82,140.18-123,264.95-44,709.68

Finding the Fourth Proportional to 82,140.18, 123,264.95 and 44,709.68

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Solution

The fourth proportional to 82,140.18, 123,264.95 and 44,709.68 is: 67,094.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,140.18 : 123,264.95 = 44,709.68 : x
  2. Step 2: Convert to fraction form
    82,140.18/123,264.95 = 44,709.68/x
  3. Step 3: Cross multiply
    82,140.18x = 123,264.95 × 44,709.68
  4. Step 4: Simplify right side
    82,140.18x = 5,511,135,629.84
  5. Step 5: Solve for x
    x = 5,511,135,629.84/82,140.18
  6. Step 6: Final answer
    x = 67,094.27

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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.