Home / 91,504.11-126,276.11-51,218.67

Finding the Fourth Proportional to 91,504.11, 126,276.11 and 51,218.67

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Solution

The fourth proportional to 91,504.11, 126,276.11 and 51,218.67 is: 70,682.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,504.11 : 126,276.11 = 51,218.67 : x
  2. Step 2: Convert to fraction form
    91,504.11/126,276.11 = 51,218.67/x
  3. Step 3: Cross multiply
    91,504.11x = 126,276.11 × 51,218.67
  4. Step 4: Simplify right side
    91,504.11x = 6,467,694,406.97
  5. Step 5: Solve for x
    x = 6,467,694,406.97/91,504.11
  6. Step 6: Final answer
    x = 70,682.01

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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.