Home / 74,932.43-103,428.93-43,123.73

Finding the Fourth Proportional to 74,932.43, 103,428.93 and 43,123.73

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Solution

The fourth proportional to 74,932.43, 103,428.93 and 43,123.73 is: 59,523.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,932.43 : 103,428.93 = 43,123.73 : x
  2. Step 2: Convert to fraction form
    74,932.43/103,428.93 = 43,123.73/x
  3. Step 3: Cross multiply
    74,932.43x = 103,428.93 × 43,123.73
  4. Step 4: Simplify right side
    74,932.43x = 4,460,241,251.51
  5. Step 5: Solve for x
    x = 4,460,241,251.51/74,932.43
  6. Step 6: Final answer
    x = 59,523.51

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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.