Home / 91,049.37-125,649.07-52,811.49

Finding the Fourth Proportional to 91,049.37, 125,649.07 and 52,811.49

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Solution

The fourth proportional to 91,049.37, 125,649.07 and 52,811.49 is: 72,880.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,049.37 : 125,649.07 = 52,811.49 : x
  2. Step 2: Convert to fraction form
    91,049.37/125,649.07 = 52,811.49/x
  3. Step 3: Cross multiply
    91,049.37x = 125,649.07 × 52,811.49
  4. Step 4: Simplify right side
    91,049.37x = 6,635,715,240.03
  5. Step 5: Solve for x
    x = 6,635,715,240.03/91,049.37
  6. Step 6: Final answer
    x = 72,880.41

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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.