Home / 55,597.05-76,723.80-30,103.43

Finding the Fourth Proportional to 55,597.05, 76,723.80 and 30,103.43

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Solution

The fourth proportional to 55,597.05, 76,723.80 and 30,103.43 is: 41,542.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,597.05 : 76,723.80 = 30,103.43 : x
  2. Step 2: Convert to fraction form
    55,597.05/76,723.80 = 30,103.43/x
  3. Step 3: Cross multiply
    55,597.05x = 76,723.80 × 30,103.43
  4. Step 4: Simplify right side
    55,597.05x = 2,309,649,159.02
  5. Step 5: Solve for x
    x = 2,309,649,159.02/55,597.05
  6. Step 6: Final answer
    x = 41,542.66

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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.