Home / 55,131.12-76,087.52-32,775.12

Finding the Fourth Proportional to 55,131.12, 76,087.52 and 32,775.12

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Solution

The fourth proportional to 55,131.12, 76,087.52 and 32,775.12 is: 45,233.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,131.12 : 76,087.52 = 32,775.12 : x
  2. Step 2: Convert to fraction form
    55,131.12/76,087.52 = 32,775.12/x
  3. Step 3: Cross multiply
    55,131.12x = 76,087.52 × 32,775.12
  4. Step 4: Simplify right side
    55,131.12x = 2,493,777,598.50
  5. Step 5: Solve for x
    x = 2,493,777,598.50/55,131.12
  6. Step 6: Final answer
    x = 45,233.57

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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.