Home / 91,471.56-126,226.62-50,637.21

Finding the Fourth Proportional to 91,471.56, 126,226.62 and 50,637.21

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Solution

The fourth proportional to 91,471.56, 126,226.62 and 50,637.21 is: 69,877.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,471.56 : 126,226.62 = 50,637.21 : x
  2. Step 2: Convert to fraction form
    91,471.56/126,226.62 = 50,637.21/x
  3. Step 3: Cross multiply
    91,471.56x = 126,226.62 × 50,637.21
  4. Step 4: Simplify right side
    91,471.56x = 6,391,763,864.53
  5. Step 5: Solve for x
    x = 6,391,763,864.53/91,471.56
  6. Step 6: Final answer
    x = 69,877.06

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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.