Home / 53,379.19-73,662.49-29,505.34

Finding the Fourth Proportional to 53,379.19, 73,662.49 and 29,505.34

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Solution

The fourth proportional to 53,379.19, 73,662.49 and 29,505.34 is: 40,716.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,379.19 : 73,662.49 = 29,505.34 : x
  2. Step 2: Convert to fraction form
    53,379.19/73,662.49 = 29,505.34/x
  3. Step 3: Cross multiply
    53,379.19x = 73,662.49 × 29,505.34
  4. Step 4: Simplify right side
    53,379.19x = 2,173,436,812.70
  5. Step 5: Solve for x
    x = 2,173,436,812.70/53,379.19
  6. Step 6: Final answer
    x = 40,716.93

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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.