Home / 108,918.67-163,232.64-58,213.75

Finding the Fourth Proportional to 108,918.67, 163,232.64 and 58,213.75

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Solution

The fourth proportional to 108,918.67, 163,232.64 and 58,213.75 is: 87,242.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,918.67 : 163,232.64 = 58,213.75 : x
  2. Step 2: Convert to fraction form
    108,918.67/163,232.64 = 58,213.75/x
  3. Step 3: Cross multiply
    108,918.67x = 163,232.64 × 58,213.75
  4. Step 4: Simplify right side
    108,918.67x = 9,502,384,096.80
  5. Step 5: Solve for x
    x = 9,502,384,096.80/108,918.67
  6. Step 6: Final answer
    x = 87,242.93

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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.