Home / 56,197.97-77,550.90-30,705.22

Finding the Fourth Proportional to 56,197.97, 77,550.90 and 30,705.22

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Solution

The fourth proportional to 56,197.97, 77,550.90 and 30,705.22 is: 42,371.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,197.97 : 77,550.90 = 30,705.22 : x
  2. Step 2: Convert to fraction form
    56,197.97/77,550.90 = 30,705.22/x
  3. Step 3: Cross multiply
    56,197.97x = 77,550.90 × 30,705.22
  4. Step 4: Simplify right side
    56,197.97x = 2,381,217,057.94
  5. Step 5: Solve for x
    x = 2,381,217,057.94/56,197.97
  6. Step 6: Final answer
    x = 42,371.94

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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.