Home / 115,334.30-159,226.73-75,027.89

Finding the Fourth Proportional to 115,334.30, 159,226.73 and 75,027.89

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Solution

The fourth proportional to 115,334.30, 159,226.73 and 75,027.89 is: 103,581.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,334.30 : 159,226.73 = 75,027.89 : x
  2. Step 2: Convert to fraction form
    115,334.30/159,226.73 = 75,027.89/x
  3. Step 3: Cross multiply
    115,334.30x = 159,226.73 × 75,027.89
  4. Step 4: Simplify right side
    115,334.30x = 11,946,445,887.78
  5. Step 5: Solve for x
    x = 11,946,445,887.78/115,334.30
  6. Step 6: Final answer
    x = 103,581.03

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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.