Home / 82,051.36-123,299.40-44,639.08

Finding the Fourth Proportional to 82,051.36, 123,299.40 and 44,639.08

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Solution

The fourth proportional to 82,051.36, 123,299.40 and 44,639.08 is: 67,079.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,051.36 : 123,299.40 = 44,639.08 : x
  2. Step 2: Convert to fraction form
    82,051.36/123,299.40 = 44,639.08/x
  3. Step 3: Cross multiply
    82,051.36x = 123,299.40 × 44,639.08
  4. Step 4: Simplify right side
    82,051.36x = 5,503,971,780.55
  5. Step 5: Solve for x
    x = 5,503,971,780.55/82,051.36
  6. Step 6: Final answer
    x = 67,079.59

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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.