Home / 74,654.79-111,945.73-32,570.43

Finding the Fourth Proportional to 74,654.79, 111,945.73 and 32,570.43

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Solution

The fourth proportional to 74,654.79, 111,945.73 and 32,570.43 is: 48,839.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,654.79 : 111,945.73 = 32,570.43 : x
  2. Step 2: Convert to fraction form
    74,654.79/111,945.73 = 32,570.43/x
  3. Step 3: Cross multiply
    74,654.79x = 111,945.73 × 32,570.43
  4. Step 4: Simplify right side
    74,654.79x = 3,646,120,562.76
  5. Step 5: Solve for x
    x = 3,646,120,562.76/74,654.79
  6. Step 6: Final answer
    x = 48,839.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.