Home / 74,158.56-102,337.44-40,624.32

Finding the Fourth Proportional to 74,158.56, 102,337.44 and 40,624.32

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Solution

The fourth proportional to 74,158.56, 102,337.44 and 40,624.32 is: 56,060.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,158.56 : 102,337.44 = 40,624.32 : x
  2. Step 2: Convert to fraction form
    74,158.56/102,337.44 = 40,624.32/x
  3. Step 3: Cross multiply
    74,158.56x = 102,337.44 × 40,624.32
  4. Step 4: Simplify right side
    74,158.56x = 4,157,388,910.54
  5. Step 5: Solve for x
    x = 4,157,388,910.54/74,158.56
  6. Step 6: Final answer
    x = 56,060.81

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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.