Home / 53,351.12-79,996.80-33,587.12

Finding the Fourth Proportional to 53,351.12, 79,996.80 and 33,587.12

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Solution

The fourth proportional to 53,351.12, 79,996.80 and 33,587.12 is: 50,361.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,351.12 : 79,996.80 = 33,587.12 : x
  2. Step 2: Convert to fraction form
    53,351.12/79,996.80 = 33,587.12/x
  3. Step 3: Cross multiply
    53,351.12x = 79,996.80 × 33,587.12
  4. Step 4: Simplify right side
    53,351.12x = 2,686,862,121.22
  5. Step 5: Solve for x
    x = 2,686,862,121.22/53,351.12
  6. Step 6: Final answer
    x = 50,361.87

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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.