Home / 84,156.63-116,143.08-47,869.44

Finding the Fourth Proportional to 84,156.63, 116,143.08 and 47,869.44

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Solution

The fourth proportional to 84,156.63, 116,143.08 and 47,869.44 is: 66,063.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,156.63 : 116,143.08 = 47,869.44 : x
  2. Step 2: Convert to fraction form
    84,156.63/116,143.08 = 47,869.44/x
  3. Step 3: Cross multiply
    84,156.63x = 116,143.08 × 47,869.44
  4. Step 4: Simplify right side
    84,156.63x = 5,559,703,584.43
  5. Step 5: Solve for x
    x = 5,559,703,584.43/84,156.63
  6. Step 6: Final answer
    x = 66,063.77

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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.