Home / 55,161.76-76,123.56-30,011.44

Finding the Fourth Proportional to 55,161.76, 76,123.56 and 30,011.44

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Solution

The fourth proportional to 55,161.76, 76,123.56 and 30,011.44 is: 41,415.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,161.76 : 76,123.56 = 30,011.44 : x
  2. Step 2: Convert to fraction form
    55,161.76/76,123.56 = 30,011.44/x
  3. Step 3: Cross multiply
    55,161.76x = 76,123.56 × 30,011.44
  4. Step 4: Simplify right side
    55,161.76x = 2,284,577,653.53
  5. Step 5: Solve for x
    x = 2,284,577,653.53/55,161.76
  6. Step 6: Final answer
    x = 41,415.97

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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.