Home / 91,069.21-125,674.94-50,783.46

Finding the Fourth Proportional to 91,069.21, 125,674.94 and 50,783.46

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Solution

The fourth proportional to 91,069.21, 125,674.94 and 50,783.46 is: 70,080.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,069.21 : 125,674.94 = 50,783.46 : x
  2. Step 2: Convert to fraction form
    91,069.21/125,674.94 = 50,783.46/x
  3. Step 3: Cross multiply
    91,069.21x = 125,674.94 × 50,783.46
  4. Step 4: Simplify right side
    91,069.21x = 6,382,207,944.17
  5. Step 5: Solve for x
    x = 6,382,207,944.17/91,069.21
  6. Step 6: Final answer
    x = 70,080.85

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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.