Home / 65,971.08-91,027.26-53,373.96

Finding the Fourth Proportional to 65,971.08, 91,027.26 and 53,373.96

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Solution

The fourth proportional to 65,971.08, 91,027.26 and 53,373.96 is: 73,645.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,971.08 : 91,027.26 = 53,373.96 : x
  2. Step 2: Convert to fraction form
    65,971.08/91,027.26 = 53,373.96/x
  3. Step 3: Cross multiply
    65,971.08x = 91,027.26 × 53,373.96
  4. Step 4: Simplify right side
    65,971.08x = 4,858,485,334.15
  5. Step 5: Solve for x
    x = 4,858,485,334.15/65,971.08
  6. Step 6: Final answer
    x = 73,645.68

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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.