Home / 54,901.60-82,352.16-13,348.72

Finding the Fourth Proportional to 54,901.60, 82,352.16 and 13,348.72

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Solution

The fourth proportional to 54,901.60, 82,352.16 and 13,348.72 is: 20,023.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,901.60 : 82,352.16 = 13,348.72 : x
  2. Step 2: Convert to fraction form
    54,901.60/82,352.16 = 13,348.72/x
  3. Step 3: Cross multiply
    54,901.60x = 82,352.16 × 13,348.72
  4. Step 4: Simplify right side
    54,901.60x = 1,099,295,925.24
  5. Step 5: Solve for x
    x = 1,099,295,925.24/54,901.60
  6. Step 6: Final answer
    x = 20,023.02

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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.