Home / 108,922.80-150,308.82-63,603.30

Finding the Fourth Proportional to 108,922.80, 150,308.82 and 63,603.30

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Solution

The fourth proportional to 108,922.80, 150,308.82 and 63,603.30 is: 87,769.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,922.80 : 150,308.82 = 63,603.30 : x
  2. Step 2: Convert to fraction form
    108,922.80/150,308.82 = 63,603.30/x
  3. Step 3: Cross multiply
    108,922.80x = 150,308.82 × 63,603.30
  4. Step 4: Simplify right side
    108,922.80x = 9,560,136,971.11
  5. Step 5: Solve for x
    x = 9,560,136,971.11/108,922.80
  6. Step 6: Final answer
    x = 87,769.84

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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.