Home / 56,201.97-77,556.42-30,709.22

Finding the Fourth Proportional to 56,201.97, 77,556.42 and 30,709.22

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Solution

The fourth proportional to 56,201.97, 77,556.42 and 30,709.22 is: 42,377.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,201.97 : 77,556.42 = 30,709.22 : x
  2. Step 2: Convert to fraction form
    56,201.97/77,556.42 = 30,709.22/x
  3. Step 3: Cross multiply
    56,201.97x = 77,556.42 × 30,709.22
  4. Step 4: Simplify right side
    56,201.97x = 2,381,696,776.41
  5. Step 5: Solve for x
    x = 2,381,696,776.41/56,201.97
  6. Step 6: Final answer
    x = 42,377.46

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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.