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Finding the Fourth Proportional to 73,792.19, 110,732.63 and 26,403.54

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Solution

The fourth proportional to 73,792.19, 110,732.63 and 26,403.54 is: 39,621.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,792.19 : 110,732.63 = 26,403.54 : x
  2. Step 2: Convert to fraction form
    73,792.19/110,732.63 = 26,403.54/x
  3. Step 3: Cross multiply
    73,792.19x = 110,732.63 × 26,403.54
  4. Step 4: Simplify right side
    73,792.19x = 2,923,733,293.49
  5. Step 5: Solve for x
    x = 2,923,733,293.49/73,792.19
  6. Step 6: Final answer
    x = 39,621.18

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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.