Home / 74,250.58-111,373.99-21,660.52

Finding the Fourth Proportional to 74,250.58, 111,373.99 and 21,660.52

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Solution

The fourth proportional to 74,250.58, 111,373.99 and 21,660.52 is: 32,490.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,250.58 : 111,373.99 = 21,660.52 : x
  2. Step 2: Convert to fraction form
    74,250.58/111,373.99 = 21,660.52/x
  3. Step 3: Cross multiply
    74,250.58x = 111,373.99 × 21,660.52
  4. Step 4: Simplify right side
    74,250.58x = 2,412,418,537.87
  5. Step 5: Solve for x
    x = 2,412,418,537.87/74,250.58
  6. Step 6: Final answer
    x = 32,490.23

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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.