Home / 74,370.36-102,629.82-40,836.12

Finding the Fourth Proportional to 74,370.36, 102,629.82 and 40,836.12

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Solution

The fourth proportional to 74,370.36, 102,629.82 and 40,836.12 is: 56,353.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,370.36 : 102,629.82 = 40,836.12 : x
  2. Step 2: Convert to fraction form
    74,370.36/102,629.82 = 40,836.12/x
  3. Step 3: Cross multiply
    74,370.36x = 102,629.82 × 40,836.12
  4. Step 4: Simplify right side
    74,370.36x = 4,191,003,645.10
  5. Step 5: Solve for x
    x = 4,191,003,645.10/74,370.36
  6. Step 6: Final answer
    x = 56,353.14

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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.