Home / 50,705.31-76,070.40-17,425.86

Finding the Fourth Proportional to 50,705.31, 76,070.40 and 17,425.86

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Solution

The fourth proportional to 50,705.31, 76,070.40 and 17,425.86 is: 26,143.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,705.31 : 76,070.40 = 17,425.86 : x
  2. Step 2: Convert to fraction form
    50,705.31/76,070.40 = 17,425.86/x
  3. Step 3: Cross multiply
    50,705.31x = 76,070.40 × 17,425.86
  4. Step 4: Simplify right side
    50,705.31x = 1,325,592,140.54
  5. Step 5: Solve for x
    x = 1,325,592,140.54/50,705.31
  6. Step 6: Final answer
    x = 26,143.06

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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.