Home / 82,637.85-123,919.86-23,459.68

Finding the Fourth Proportional to 82,637.85, 123,919.86 and 23,459.68

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Solution

The fourth proportional to 82,637.85, 123,919.86 and 23,459.68 is: 35,179.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,637.85 : 123,919.86 = 23,459.68 : x
  2. Step 2: Convert to fraction form
    82,637.85/123,919.86 = 23,459.68/x
  3. Step 3: Cross multiply
    82,637.85x = 123,919.86 × 23,459.68
  4. Step 4: Simplify right side
    82,637.85x = 2,907,119,774.08
  5. Step 5: Solve for x
    x = 2,907,119,774.08/82,637.85
  6. Step 6: Final answer
    x = 35,179.04

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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.