Home / 91,183-125,833.88-50,899.81

Finding the Fourth Proportional to 91,183, 125,833.88 and 50,899.81

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Solution

The fourth proportional to 91,183, 125,833.88 and 50,899.81 is: 70,242.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,183 : 125,833.88 = 50,899.81 : x
  2. Step 2: Convert to fraction form
    91,183/125,833.88 = 50,899.81/x
  3. Step 3: Cross multiply
    91,183x = 125,833.88 × 50,899.81
  4. Step 4: Simplify right side
    91,183x = 6,404,920,583.56
  5. Step 5: Solve for x
    x = 6,404,920,583.56/91,183
  6. Step 6: Final answer
    x = 70,242.49

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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.