Home / 74,058.37-102,200.11-40,066.75

Finding the Fourth Proportional to 74,058.37, 102,200.11 and 40,066.75

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Solution

The fourth proportional to 74,058.37, 102,200.11 and 40,066.75 is: 55,291.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,058.37 : 102,200.11 = 40,066.75 : x
  2. Step 2: Convert to fraction form
    74,058.37/102,200.11 = 40,066.75/x
  3. Step 3: Cross multiply
    74,058.37x = 102,200.11 × 40,066.75
  4. Step 4: Simplify right side
    74,058.37x = 4,094,826,257.34
  5. Step 5: Solve for x
    x = 4,094,826,257.34/74,058.37
  6. Step 6: Final answer
    x = 55,291.88

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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.