Home / 74,494.32-102,799.56-40,960.08

Finding the Fourth Proportional to 74,494.32, 102,799.56 and 40,960.08

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Solution

The fourth proportional to 74,494.32, 102,799.56 and 40,960.08 is: 56,523.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,494.32 : 102,799.56 = 40,960.08 : x
  2. Step 2: Convert to fraction form
    74,494.32/102,799.56 = 40,960.08/x
  3. Step 3: Cross multiply
    74,494.32x = 102,799.56 × 40,960.08
  4. Step 4: Simplify right side
    74,494.32x = 4,210,678,201.56
  5. Step 5: Solve for x
    x = 4,210,678,201.56/74,494.32
  6. Step 6: Final answer
    x = 56,523.48

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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.