Home / 80,750.37-121,125.59-36,325.23

Finding the Fourth Proportional to 80,750.37, 121,125.59 and 36,325.23

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Solution

The fourth proportional to 80,750.37, 121,125.59 and 36,325.23 is: 54,487.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,750.37 : 121,125.59 = 36,325.23 : x
  2. Step 2: Convert to fraction form
    80,750.37/121,125.59 = 36,325.23/x
  3. Step 3: Cross multiply
    80,750.37x = 121,125.59 × 36,325.23
  4. Step 4: Simplify right side
    80,750.37x = 4,399,914,915.64
  5. Step 5: Solve for x
    x = 4,399,914,915.64/80,750.37
  6. Step 6: Final answer
    x = 54,487.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.