Home / 90,671.58-125,119.44-52,433.64

Finding the Fourth Proportional to 90,671.58, 125,119.44 and 52,433.64

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Solution

The fourth proportional to 90,671.58, 125,119.44 and 52,433.64 is: 72,354.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,671.58 : 125,119.44 = 52,433.64 : x
  2. Step 2: Convert to fraction form
    90,671.58/125,119.44 = 52,433.64/x
  3. Step 3: Cross multiply
    90,671.58x = 125,119.44 × 52,433.64
  4. Step 4: Simplify right side
    90,671.58x = 6,560,467,673.96
  5. Step 5: Solve for x
    x = 6,560,467,673.96/90,671.58
  6. Step 6: Final answer
    x = 72,354.18

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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.