Home / 54,327.60-81,491.40-49,516.20

Finding the Fourth Proportional to 54,327.60, 81,491.40 and 49,516.20

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Solution

The fourth proportional to 54,327.60, 81,491.40 and 49,516.20 is: 74,274.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,327.60 : 81,491.40 = 49,516.20 : x
  2. Step 2: Convert to fraction form
    54,327.60/81,491.40 = 49,516.20/x
  3. Step 3: Cross multiply
    54,327.60x = 81,491.40 × 49,516.20
  4. Step 4: Simplify right side
    54,327.60x = 4,035,144,460.68
  5. Step 5: Solve for x
    x = 4,035,144,460.68/54,327.60
  6. Step 6: Final answer
    x = 74,274.30

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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.