Home / 84,581.03-116,722.26-47,787.41

Finding the Fourth Proportional to 84,581.03, 116,722.26 and 47,787.41

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Solution

The fourth proportional to 84,581.03, 116,722.26 and 47,787.41 is: 65,946.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,581.03 : 116,722.26 = 47,787.41 : x
  2. Step 2: Convert to fraction form
    84,581.03/116,722.26 = 47,787.41/x
  3. Step 3: Cross multiply
    84,581.03x = 116,722.26 × 47,787.41
  4. Step 4: Simplify right side
    84,581.03x = 5,577,853,911.14
  5. Step 5: Solve for x
    x = 5,577,853,911.14/84,581.03
  6. Step 6: Final answer
    x = 65,946.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.