Home / 52,980.99-73,115.06-29,109.21

Finding the Fourth Proportional to 52,980.99, 73,115.06 and 29,109.21

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Solution

The fourth proportional to 52,980.99, 73,115.06 and 29,109.21 is: 40,171.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,980.99 : 73,115.06 = 29,109.21 : x
  2. Step 2: Convert to fraction form
    52,980.99/73,115.06 = 29,109.21/x
  3. Step 3: Cross multiply
    52,980.99x = 73,115.06 × 29,109.21
  4. Step 4: Simplify right side
    52,980.99x = 2,128,321,635.70
  5. Step 5: Solve for x
    x = 2,128,321,635.70/52,980.99
  6. Step 6: Final answer
    x = 40,171.42

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1.5x scale

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.