Home / 55,747.58-76,911.80-33,069.20

Finding the Fourth Proportional to 55,747.58, 76,911.80 and 33,069.20

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Solution

The fourth proportional to 55,747.58, 76,911.80 and 33,069.20 is: 45,623.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,747.58 : 76,911.80 = 33,069.20 : x
  2. Step 2: Convert to fraction form
    55,747.58/76,911.80 = 33,069.20/x
  3. Step 3: Cross multiply
    55,747.58x = 76,911.80 × 33,069.20
  4. Step 4: Simplify right side
    55,747.58x = 2,543,411,696.56
  5. Step 5: Solve for x
    x = 2,543,411,696.56/55,747.58
  6. Step 6: Final answer
    x = 45,623.71

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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.