Home / 74,353.43-102,608.54-40,362.24

Finding the Fourth Proportional to 74,353.43, 102,608.54 and 40,362.24

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Solution

The fourth proportional to 74,353.43, 102,608.54 and 40,362.24 is: 55,700.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,353.43 : 102,608.54 = 40,362.24 : x
  2. Step 2: Convert to fraction form
    74,353.43/102,608.54 = 40,362.24/x
  3. Step 3: Cross multiply
    74,353.43x = 102,608.54 × 40,362.24
  4. Step 4: Simplify right side
    74,353.43x = 4,141,510,517.53
  5. Step 5: Solve for x
    x = 4,141,510,517.53/74,353.43
  6. Step 6: Final answer
    x = 55,700.33

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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.