Home / 102,561.33-153,829.56-27,675.75

Finding the Fourth Proportional to 102,561.33, 153,829.56 and 27,675.75

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Solution

The fourth proportional to 102,561.33, 153,829.56 and 27,675.75 is: 41,510.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,561.33 : 153,829.56 = 27,675.75 : x
  2. Step 2: Convert to fraction form
    102,561.33/153,829.56 = 27,675.75/x
  3. Step 3: Cross multiply
    102,561.33x = 153,829.56 × 27,675.75
  4. Step 4: Simplify right side
    102,561.33x = 4,257,348,445.17
  5. Step 5: Solve for x
    x = 4,257,348,445.17/102,561.33
  6. Step 6: Final answer
    x = 41,510.27

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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.