Home / 91,923.68-126,859.22-51,635.36

Finding the Fourth Proportional to 91,923.68, 126,859.22 and 51,635.36

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Solution

The fourth proportional to 91,923.68, 126,859.22 and 51,635.36 is: 71,259.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,923.68 : 126,859.22 = 51,635.36 : x
  2. Step 2: Convert to fraction form
    91,923.68/126,859.22 = 51,635.36/x
  3. Step 3: Cross multiply
    91,923.68x = 126,859.22 × 51,635.36
  4. Step 4: Simplify right side
    91,923.68x = 6,550,420,601.55
  5. Step 5: Solve for x
    x = 6,550,420,601.55/91,923.68
  6. Step 6: Final answer
    x = 71,259.34

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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.