Home / 53,360.87-73,639.38-29,162.85

Finding the Fourth Proportional to 53,360.87, 73,639.38 and 29,162.85

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Solution

The fourth proportional to 53,360.87, 73,639.38 and 29,162.85 is: 40,245.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,360.87 : 73,639.38 = 29,162.85 : x
  2. Step 2: Convert to fraction form
    53,360.87/73,639.38 = 29,162.85/x
  3. Step 3: Cross multiply
    53,360.87x = 73,639.38 × 29,162.85
  4. Step 4: Simplify right side
    53,360.87x = 2,147,534,193.03
  5. Step 5: Solve for x
    x = 2,147,534,193.03/53,360.87
  6. Step 6: Final answer
    x = 40,245.49

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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.