Home / 77,228.22-106,550.16-43,231.70

Finding the Fourth Proportional to 77,228.22, 106,550.16 and 43,231.70

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Solution

The fourth proportional to 77,228.22, 106,550.16 and 43,231.70 is: 59,645.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,228.22 : 106,550.16 = 43,231.70 : x
  2. Step 2: Convert to fraction form
    77,228.22/106,550.16 = 43,231.70/x
  3. Step 3: Cross multiply
    77,228.22x = 106,550.16 × 43,231.70
  4. Step 4: Simplify right side
    77,228.22x = 4,606,344,552.07
  5. Step 5: Solve for x
    x = 4,606,344,552.07/77,228.22
  6. Step 6: Final answer
    x = 59,645.87

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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.