Home / 77,933.51-107,548.27-43,942.07

Finding the Fourth Proportional to 77,933.51, 107,548.27 and 43,942.07

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Solution

The fourth proportional to 77,933.51, 107,548.27 and 43,942.07 is: 60,640.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,933.51 : 107,548.27 = 43,942.07 : x
  2. Step 2: Convert to fraction form
    77,933.51/107,548.27 = 43,942.07/x
  3. Step 3: Cross multiply
    77,933.51x = 107,548.27 × 43,942.07
  4. Step 4: Simplify right side
    77,933.51x = 4,725,893,608.72
  5. Step 5: Solve for x
    x = 4,725,893,608.72/77,933.51
  6. Step 6: Final answer
    x = 60,640.07

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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.