Home / 54,330.30-81,495.45-36,615.60

Finding the Fourth Proportional to 54,330.30, 81,495.45 and 36,615.60

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Solution

The fourth proportional to 54,330.30, 81,495.45 and 36,615.60 is: 54,923.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,330.30 : 81,495.45 = 36,615.60 : x
  2. Step 2: Convert to fraction form
    54,330.30/81,495.45 = 36,615.60/x
  3. Step 3: Cross multiply
    54,330.30x = 81,495.45 × 36,615.60
  4. Step 4: Simplify right side
    54,330.30x = 2,984,004,799.02
  5. Step 5: Solve for x
    x = 2,984,004,799.02/54,330.30
  6. Step 6: Final answer
    x = 54,923.40

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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.