Home / 118,414.53-163,391.45-70,665.03

Finding the Fourth Proportional to 118,414.53, 163,391.45 and 70,665.03

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Solution

The fourth proportional to 118,414.53, 163,391.45 and 70,665.03 is: 97,505.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,414.53 : 163,391.45 = 70,665.03 : x
  2. Step 2: Convert to fraction form
    118,414.53/163,391.45 = 70,665.03/x
  3. Step 3: Cross multiply
    118,414.53x = 163,391.45 × 70,665.03
  4. Step 4: Simplify right side
    118,414.53x = 11,546,061,362.67
  5. Step 5: Solve for x
    x = 11,546,061,362.67/118,414.53
  6. Step 6: Final answer
    x = 97,505.44

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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.