Home / 90,993.44-125,571.20-52,760.40

Finding the Fourth Proportional to 90,993.44, 125,571.20 and 52,760.40

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Solution

The fourth proportional to 90,993.44, 125,571.20 and 52,760.40 is: 72,809.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,993.44 : 125,571.20 = 52,760.40 : x
  2. Step 2: Convert to fraction form
    90,993.44/125,571.20 = 52,760.40/x
  3. Step 3: Cross multiply
    90,993.44x = 125,571.20 × 52,760.40
  4. Step 4: Simplify right side
    90,993.44x = 6,625,186,740.48
  5. Step 5: Solve for x
    x = 6,625,186,740.48/90,993.44
  6. Step 6: Final answer
    x = 72,809.50

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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.