Home / 84,876.04-127,310.41-25,709.19

Finding the Fourth Proportional to 84,876.04, 127,310.41 and 25,709.19

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Solution

The fourth proportional to 84,876.04, 127,310.41 and 25,709.19 is: 38,562.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,876.04 : 127,310.41 = 25,709.19 : x
  2. Step 2: Convert to fraction form
    84,876.04/127,310.41 = 25,709.19/x
  3. Step 3: Cross multiply
    84,876.04x = 127,310.41 × 25,709.19
  4. Step 4: Simplify right side
    84,876.04x = 3,273,047,519.67
  5. Step 5: Solve for x
    x = 3,273,047,519.67/84,876.04
  6. Step 6: Final answer
    x = 38,562.68

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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.