Home / 74,440.13-102,727.38-40,906.13

Finding the Fourth Proportional to 74,440.13, 102,727.38 and 40,906.13

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Solution

The fourth proportional to 74,440.13, 102,727.38 and 40,906.13 is: 56,450.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,440.13 : 102,727.38 = 40,906.13 : x
  2. Step 2: Convert to fraction form
    74,440.13/102,727.38 = 40,906.13/x
  3. Step 3: Cross multiply
    74,440.13x = 102,727.38 × 40,906.13
  4. Step 4: Simplify right side
    74,440.13x = 4,202,179,560.84
  5. Step 5: Solve for x
    x = 4,202,179,560.84/74,440.13
  6. Step 6: Final answer
    x = 56,450.46

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1.5x scale

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.