Home / 77,558.31-107,040.49-43,566.81

Finding the Fourth Proportional to 77,558.31, 107,040.49 and 43,566.81

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Solution

The fourth proportional to 77,558.31, 107,040.49 and 43,566.81 is: 60,127.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,558.31 : 107,040.49 = 43,566.81 : x
  2. Step 2: Convert to fraction form
    77,558.31/107,040.49 = 43,566.81/x
  3. Step 3: Cross multiply
    77,558.31x = 107,040.49 × 43,566.81
  4. Step 4: Simplify right side
    77,558.31x = 4,663,412,380.25
  5. Step 5: Solve for x
    x = 4,663,412,380.25/77,558.31
  6. Step 6: Final answer
    x = 60,127.82

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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.