Home / 91,039.68-125,635.28-50,755.96

Finding the Fourth Proportional to 91,039.68, 125,635.28 and 50,755.96

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Solution

The fourth proportional to 91,039.68, 125,635.28 and 50,755.96 is: 70,043.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,039.68 : 125,635.28 = 50,755.96 : x
  2. Step 2: Convert to fraction form
    91,039.68/125,635.28 = 50,755.96/x
  3. Step 3: Cross multiply
    91,039.68x = 125,635.28 × 50,755.96
  4. Step 4: Simplify right side
    91,039.68x = 6,376,739,246.27
  5. Step 5: Solve for x
    x = 6,376,739,246.27/91,039.68
  6. Step 6: Final answer
    x = 70,043.52

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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.