Home / 77,650.06-107,149.68-45,392.22

Finding the Fourth Proportional to 77,650.06, 107,149.68 and 45,392.22

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Solution

The fourth proportional to 77,650.06, 107,149.68 and 45,392.22 is: 62,636.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,650.06 : 107,149.68 = 45,392.22 : x
  2. Step 2: Convert to fraction form
    77,650.06/107,149.68 = 45,392.22/x
  3. Step 3: Cross multiply
    77,650.06x = 107,149.68 × 45,392.22
  4. Step 4: Simplify right side
    77,650.06x = 4,863,761,847.49
  5. Step 5: Solve for x
    x = 4,863,761,847.49/77,650.06
  6. Step 6: Final answer
    x = 62,636.94

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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.