Home / 54,330.60-81,543.90-32,116.20

Finding the Fourth Proportional to 54,330.60, 81,543.90 and 32,116.20

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Solution

The fourth proportional to 54,330.60, 81,543.90 and 32,116.20 is: 48,202.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,330.60 : 81,543.90 = 32,116.20 : x
  2. Step 2: Convert to fraction form
    54,330.60/81,543.90 = 32,116.20/x
  3. Step 3: Cross multiply
    54,330.60x = 81,543.90 × 32,116.20
  4. Step 4: Simplify right side
    54,330.60x = 2,618,880,201.18
  5. Step 5: Solve for x
    x = 2,618,880,201.18/54,330.60
  6. Step 6: Final answer
    x = 48,202.67

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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.