Home / 74,455.56-102,749.22-40,464.18

Finding the Fourth Proportional to 74,455.56, 102,749.22 and 40,464.18

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Solution

The fourth proportional to 74,455.56, 102,749.22 and 40,464.18 is: 55,840.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,455.56 : 102,749.22 = 40,464.18 : x
  2. Step 2: Convert to fraction form
    74,455.56/102,749.22 = 40,464.18/x
  3. Step 3: Cross multiply
    74,455.56x = 102,749.22 × 40,464.18
  4. Step 4: Simplify right side
    74,455.56x = 4,157,662,932.94
  5. Step 5: Solve for x
    x = 4,157,662,932.94/74,455.56
  6. Step 6: Final answer
    x = 55,840.87

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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.