Home / 73,144.32-109,650.78-26,386.26

Finding the Fourth Proportional to 73,144.32, 109,650.78 and 26,386.26

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Solution

The fourth proportional to 73,144.32, 109,650.78 and 26,386.26 is: 39,555.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,144.32 : 109,650.78 = 26,386.26 : x
  2. Step 2: Convert to fraction form
    73,144.32/109,650.78 = 26,386.26/x
  3. Step 3: Cross multiply
    73,144.32x = 109,650.78 × 26,386.26
  4. Step 4: Simplify right side
    73,144.32x = 2,893,273,990.28
  5. Step 5: Solve for x
    x = 2,893,273,990.28/73,144.32
  6. Step 6: Final answer
    x = 39,555.69

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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.