Home / 82,328.42-123,479.70-26,161.13

Finding the Fourth Proportional to 82,328.42, 123,479.70 and 26,161.13

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Solution

The fourth proportional to 82,328.42, 123,479.70 and 26,161.13 is: 39,237.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,328.42 : 123,479.70 = 26,161.13 : x
  2. Step 2: Convert to fraction form
    82,328.42/123,479.70 = 26,161.13/x
  3. Step 3: Cross multiply
    82,328.42x = 123,479.70 × 26,161.13
  4. Step 4: Simplify right side
    82,328.42x = 3,230,368,484.06
  5. Step 5: Solve for x
    x = 3,230,368,484.06/82,328.42
  6. Step 6: Final answer
    x = 39,237.59

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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.