Home / 89,982.64-124,170.60-54,184.24

Finding the Fourth Proportional to 89,982.64, 124,170.60 and 54,184.24

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Solution

The fourth proportional to 89,982.64, 124,170.60 and 54,184.24 is: 74,770.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,982.64 : 124,170.60 = 54,184.24 : x
  2. Step 2: Convert to fraction form
    89,982.64/124,170.60 = 54,184.24/x
  3. Step 3: Cross multiply
    89,982.64x = 124,170.60 × 54,184.24
  4. Step 4: Simplify right side
    89,982.64x = 6,728,089,591.34
  5. Step 5: Solve for x
    x = 6,728,089,591.34/89,982.64
  6. Step 6: Final answer
    x = 74,770.97

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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.