Home / 72,917.32-109,381.34-26,170.60

Finding the Fourth Proportional to 72,917.32, 109,381.34 and 26,170.60

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Solution

The fourth proportional to 72,917.32, 109,381.34 and 26,170.60 is: 39,257.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,917.32 : 109,381.34 = 26,170.60 : x
  2. Step 2: Convert to fraction form
    72,917.32/109,381.34 = 26,170.60/x
  3. Step 3: Cross multiply
    72,917.32x = 109,381.34 × 26,170.60
  4. Step 4: Simplify right side
    72,917.32x = 2,862,575,296.60
  5. Step 5: Solve for x
    x = 2,862,575,296.60/72,917.32
  6. Step 6: Final answer
    x = 39,257.82

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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.