Home / 74,425.82-102,682.23-46,121.18

Finding the Fourth Proportional to 74,425.82, 102,682.23 and 46,121.18

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Solution

The fourth proportional to 74,425.82, 102,682.23 and 46,121.18 is: 63,631.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,425.82 : 102,682.23 = 46,121.18 : x
  2. Step 2: Convert to fraction form
    74,425.82/102,682.23 = 46,121.18/x
  3. Step 3: Cross multiply
    74,425.82x = 102,682.23 × 46,121.18
  4. Step 4: Simplify right side
    74,425.82x = 4,735,825,612.63
  5. Step 5: Solve for x
    x = 4,735,825,612.63/74,425.82
  6. Step 6: Final answer
    x = 63,631.49

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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.