Home / 72,844.07-109,266.10-26,129.75

Finding the Fourth Proportional to 72,844.07, 109,266.10 and 26,129.75

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Solution

The fourth proportional to 72,844.07, 109,266.10 and 26,129.75 is: 39,194.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,844.07 : 109,266.10 = 26,129.75 : x
  2. Step 2: Convert to fraction form
    72,844.07/109,266.10 = 26,129.75/x
  3. Step 3: Cross multiply
    72,844.07x = 109,266.10 × 26,129.75
  4. Step 4: Simplify right side
    72,844.07x = 2,855,095,876.48
  5. Step 5: Solve for x
    x = 2,855,095,876.48/72,844.07
  6. Step 6: Final answer
    x = 39,194.62

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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.