Home / 53,210.89-79,816.34-18,150.85

Finding the Fourth Proportional to 53,210.89, 79,816.34 and 18,150.85

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Solution

The fourth proportional to 53,210.89, 79,816.34 and 18,150.85 is: 27,226.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,210.89 : 79,816.34 = 18,150.85 : x
  2. Step 2: Convert to fraction form
    53,210.89/79,816.34 = 18,150.85/x
  3. Step 3: Cross multiply
    53,210.89x = 79,816.34 × 18,150.85
  4. Step 4: Simplify right side
    53,210.89x = 1,448,734,324.13
  5. Step 5: Solve for x
    x = 1,448,734,324.13/53,210.89
  6. Step 6: Final answer
    x = 27,226.28

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Similar ratio
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1.5x scale

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.