Home / 47,689.10-71,472.45-26,629.10

Finding the Fourth Proportional to 47,689.10, 71,472.45 and 26,629.10

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Solution

The fourth proportional to 47,689.10, 71,472.45 and 26,629.10 is: 39,909.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,689.10 : 71,472.45 = 26,629.10 : x
  2. Step 2: Convert to fraction form
    47,689.10/71,472.45 = 26,629.10/x
  3. Step 3: Cross multiply
    47,689.10x = 71,472.45 × 26,629.10
  4. Step 4: Simplify right side
    47,689.10x = 1,903,247,018.30
  5. Step 5: Solve for x
    x = 1,903,247,018.30/47,689.10
  6. Step 6: Final answer
    x = 39,909.48

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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.