Home / 91,106.56-125,727.24-50,819.28

Finding the Fourth Proportional to 91,106.56, 125,727.24 and 50,819.28

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Solution

The fourth proportional to 91,106.56, 125,727.24 and 50,819.28 is: 70,130.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,106.56 : 125,727.24 = 50,819.28 : x
  2. Step 2: Convert to fraction form
    91,106.56/125,727.24 = 50,819.28/x
  3. Step 3: Cross multiply
    91,106.56x = 125,727.24 × 50,819.28
  4. Step 4: Simplify right side
    91,106.56x = 6,389,367,813.19
  5. Step 5: Solve for x
    x = 6,389,367,813.19/91,106.56
  6. Step 6: Final answer
    x = 70,130.71

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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.