Home / 47,962.74-71,943.96-12,902.43

Finding the Fourth Proportional to 47,962.74, 71,943.96 and 12,902.43

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Solution

The fourth proportional to 47,962.74, 71,943.96 and 12,902.43 is: 19,353.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,962.74 : 71,943.96 = 12,902.43 : x
  2. Step 2: Convert to fraction form
    47,962.74/71,943.96 = 12,902.43/x
  3. Step 3: Cross multiply
    47,962.74x = 71,943.96 × 12,902.43
  4. Step 4: Simplify right side
    47,962.74x = 928,251,907.82
  5. Step 5: Solve for x
    x = 928,251,907.82/47,962.74
  6. Step 6: Final answer
    x = 19,353.60

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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.