Home / 77,249.09-106,609.57-43,255.82

Finding the Fourth Proportional to 77,249.09, 106,609.57 and 43,255.82

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Solution

The fourth proportional to 77,249.09, 106,609.57 and 43,255.82 is: 59,696.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,249.09 : 106,609.57 = 43,255.82 : x
  2. Step 2: Convert to fraction form
    77,249.09/106,609.57 = 43,255.82/x
  3. Step 3: Cross multiply
    77,249.09x = 106,609.57 × 43,255.82
  4. Step 4: Simplify right side
    77,249.09x = 4,611,484,528.58
  5. Step 5: Solve for x
    x = 4,611,484,528.58/77,249.09
  6. Step 6: Final answer
    x = 59,696.29

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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.