Home / 56,072.91-77,380.60-30,922.41

Finding the Fourth Proportional to 56,072.91, 77,380.60 and 30,922.41

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Solution

The fourth proportional to 56,072.91, 77,380.60 and 30,922.41 is: 42,672.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,072.91 : 77,380.60 = 30,922.41 : x
  2. Step 2: Convert to fraction form
    56,072.91/77,380.60 = 30,922.41/x
  3. Step 3: Cross multiply
    56,072.91x = 77,380.60 × 30,922.41
  4. Step 4: Simplify right side
    56,072.91x = 2,392,794,484.63
  5. Step 5: Solve for x
    x = 2,392,794,484.63/56,072.91
  6. Step 6: Final answer
    x = 42,672.91

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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.