Home / 55,771.20-83,656.80-52,053.30

Finding the Fourth Proportional to 55,771.20, 83,656.80 and 52,053.30

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Solution

The fourth proportional to 55,771.20, 83,656.80 and 52,053.30 is: 78,079.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,771.20 : 83,656.80 = 52,053.30 : x
  2. Step 2: Convert to fraction form
    55,771.20/83,656.80 = 52,053.30/x
  3. Step 3: Cross multiply
    55,771.20x = 83,656.80 × 52,053.30
  4. Step 4: Simplify right side
    55,771.20x = 4,354,612,507.44
  5. Step 5: Solve for x
    x = 4,354,612,507.44/55,771.20
  6. Step 6: Final answer
    x = 78,079.95

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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.