Home / 48,878.64-73,317.96-13,813.74

Finding the Fourth Proportional to 48,878.64, 73,317.96 and 13,813.74

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Solution

The fourth proportional to 48,878.64, 73,317.96 and 13,813.74 is: 20,720.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,878.64 : 73,317.96 = 13,813.74 : x
  2. Step 2: Convert to fraction form
    48,878.64/73,317.96 = 13,813.74/x
  3. Step 3: Cross multiply
    48,878.64x = 73,317.96 × 13,813.74
  4. Step 4: Simplify right side
    48,878.64x = 1,012,795,236.77
  5. Step 5: Solve for x
    x = 1,012,795,236.77/48,878.64
  6. Step 6: Final answer
    x = 20,720.61

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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.