Home / 91,161.50-125,809.18-50,883.10

Finding the Fourth Proportional to 91,161.50, 125,809.18 and 50,883.10

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Solution

The fourth proportional to 91,161.50, 125,809.18 and 50,883.10 is: 70,222.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,161.50 : 125,809.18 = 50,883.10 : x
  2. Step 2: Convert to fraction form
    91,161.50/125,809.18 = 50,883.10/x
  3. Step 3: Cross multiply
    91,161.50x = 125,809.18 × 50,883.10
  4. Step 4: Simplify right side
    91,161.50x = 6,401,561,086.86
  5. Step 5: Solve for x
    x = 6,401,561,086.86/91,161.50
  6. Step 6: Final answer
    x = 70,222.20

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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.