Home / 77,713.14-107,288.37-51,293.94

Finding the Fourth Proportional to 77,713.14, 107,288.37 and 51,293.94

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Solution

The fourth proportional to 77,713.14, 107,288.37 and 51,293.94 is: 70,814.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,713.14 : 107,288.37 = 51,293.94 : x
  2. Step 2: Convert to fraction form
    77,713.14/107,288.37 = 51,293.94/x
  3. Step 3: Cross multiply
    77,713.14x = 107,288.37 × 51,293.94
  4. Step 4: Simplify right side
    77,713.14x = 5,503,243,213.48
  5. Step 5: Solve for x
    x = 5,503,243,213.48/77,713.14
  6. Step 6: Final answer
    x = 70,814.84

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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.