Home / 74,709.35-103,096.25-40,717.16

Finding the Fourth Proportional to 74,709.35, 103,096.25 and 40,717.16

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Solution

The fourth proportional to 74,709.35, 103,096.25 and 40,717.16 is: 56,188.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,709.35 : 103,096.25 = 40,717.16 : x
  2. Step 2: Convert to fraction form
    74,709.35/103,096.25 = 40,717.16/x
  3. Step 3: Cross multiply
    74,709.35x = 103,096.25 × 40,717.16
  4. Step 4: Simplify right side
    74,709.35x = 4,197,786,092.96
  5. Step 5: Solve for x
    x = 4,197,786,092.96/74,709.35
  6. Step 6: Final answer
    x = 56,188.23

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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.