Home / 115,147.55-172,553.33-51,028.35

Finding the Fourth Proportional to 115,147.55, 172,553.33 and 51,028.35

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Solution

The fourth proportional to 115,147.55, 172,553.33 and 51,028.35 is: 76,468.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,147.55 : 172,553.33 = 51,028.35 : x
  2. Step 2: Convert to fraction form
    115,147.55/172,553.33 = 51,028.35/x
  3. Step 3: Cross multiply
    115,147.55x = 172,553.33 × 51,028.35
  4. Step 4: Simplify right side
    115,147.55x = 8,805,111,461.76
  5. Step 5: Solve for x
    x = 8,805,111,461.76/115,147.55
  6. Step 6: Final answer
    x = 76,468.08

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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.