Home / 118,796.29-178,172.91-47,716.06

Finding the Fourth Proportional to 118,796.29, 178,172.91 and 47,716.06

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Solution

The fourth proportional to 118,796.29, 178,172.91 and 47,716.06 is: 71,565.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,796.29 : 178,172.91 = 47,716.06 : x
  2. Step 2: Convert to fraction form
    118,796.29/178,172.91 = 47,716.06/x
  3. Step 3: Cross multiply
    118,796.29x = 178,172.91 × 47,716.06
  4. Step 4: Simplify right side
    118,796.29x = 8,501,709,383.22
  5. Step 5: Solve for x
    x = 8,501,709,383.22/118,796.29
  6. Step 6: Final answer
    x = 71,565.44

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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.