Home / 101,535.12-152,346.24-39,249.36

Finding the Fourth Proportional to 101,535.12, 152,346.24 and 39,249.36

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Solution

The fourth proportional to 101,535.12, 152,346.24 and 39,249.36 is: 58,890.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,535.12 : 152,346.24 = 39,249.36 : x
  2. Step 2: Convert to fraction form
    101,535.12/152,346.24 = 39,249.36/x
  3. Step 3: Cross multiply
    101,535.12x = 152,346.24 × 39,249.36
  4. Step 4: Simplify right side
    101,535.12x = 5,979,492,418.41
  5. Step 5: Solve for x
    x = 5,979,492,418.41/101,535.12
  6. Step 6: Final answer
    x = 58,890.88

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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.