Home / 47,858.62-71,785.31-14,575.90

Finding the Fourth Proportional to 47,858.62, 71,785.31 and 14,575.90

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Solution

The fourth proportional to 47,858.62, 71,785.31 and 14,575.90 is: 21,863.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,858.62 : 71,785.31 = 14,575.90 : x
  2. Step 2: Convert to fraction form
    47,858.62/71,785.31 = 14,575.90/x
  3. Step 3: Cross multiply
    47,858.62x = 71,785.31 × 14,575.90
  4. Step 4: Simplify right side
    47,858.62x = 1,046,335,068.22
  5. Step 5: Solve for x
    x = 1,046,335,068.22/47,858.62
  6. Step 6: Final answer
    x = 21,863.05

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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.