Home / 77,783.96-107,304.52-50,914.64

Finding the Fourth Proportional to 77,783.96, 107,304.52 and 50,914.64

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Solution

The fourth proportional to 77,783.96, 107,304.52 and 50,914.64 is: 70,237.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,783.96 : 107,304.52 = 50,914.64 : x
  2. Step 2: Convert to fraction form
    77,783.96/107,304.52 = 50,914.64/x
  3. Step 3: Cross multiply
    77,783.96x = 107,304.52 × 50,914.64
  4. Step 4: Simplify right side
    77,783.96x = 5,463,371,006.17
  5. Step 5: Solve for x
    x = 5,463,371,006.17/77,783.96
  6. Step 6: Final answer
    x = 70,237.76

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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.