Home / 74,952.39-103,431.23-40,962

Finding the Fourth Proportional to 74,952.39, 103,431.23 and 40,962

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Solution

The fourth proportional to 74,952.39, 103,431.23 and 40,962 is: 56,525.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,952.39 : 103,431.23 = 40,962 : x
  2. Step 2: Convert to fraction form
    74,952.39/103,431.23 = 40,962/x
  3. Step 3: Cross multiply
    74,952.39x = 103,431.23 × 40,962
  4. Step 4: Simplify right side
    74,952.39x = 4,236,749,838.45
  5. Step 5: Solve for x
    x = 4,236,749,838.45/74,952.39
  6. Step 6: Final answer
    x = 56,525.88

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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.