Home / 78,966.87-118,496.97-29,082.03

Finding the Fourth Proportional to 78,966.87, 118,496.97 and 29,082.03

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Solution

The fourth proportional to 78,966.87, 118,496.97 and 29,082.03 is: 43,640.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,966.87 : 118,496.97 = 29,082.03 : x
  2. Step 2: Convert to fraction form
    78,966.87/118,496.97 = 29,082.03/x
  3. Step 3: Cross multiply
    78,966.87x = 118,496.97 × 29,082.03
  4. Step 4: Simplify right side
    78,966.87x = 3,446,132,436.45
  5. Step 5: Solve for x
    x = 3,446,132,436.45/78,966.87
  6. Step 6: Final answer
    x = 43,640.23

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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.