Home / 115,553.31-173,355.89-38,622.08

Finding the Fourth Proportional to 115,553.31, 173,355.89 and 38,622.08

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Solution

The fourth proportional to 115,553.31, 173,355.89 and 38,622.08 is: 57,941.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,553.31 : 173,355.89 = 38,622.08 : x
  2. Step 2: Convert to fraction form
    115,553.31/173,355.89 = 38,622.08/x
  3. Step 3: Cross multiply
    115,553.31x = 173,355.89 × 38,622.08
  4. Step 4: Simplify right side
    115,553.31x = 6,695,363,992.16
  5. Step 5: Solve for x
    x = 6,695,363,992.16/115,553.31
  6. Step 6: Final answer
    x = 57,941.78

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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.