Home / 47,420.64-71,160.12-26,376.84

Finding the Fourth Proportional to 47,420.64, 71,160.12 and 26,376.84

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Solution

The fourth proportional to 47,420.64, 71,160.12 and 26,376.84 is: 39,581.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,420.64 : 71,160.12 = 26,376.84 : x
  2. Step 2: Convert to fraction form
    47,420.64/71,160.12 = 26,376.84/x
  3. Step 3: Cross multiply
    47,420.64x = 71,160.12 × 26,376.84
  4. Step 4: Simplify right side
    47,420.64x = 1,876,979,099.62
  5. Step 5: Solve for x
    x = 1,876,979,099.62/47,420.64
  6. Step 6: Final answer
    x = 39,581.48

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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.