Home / 47,772.37-71,660.17-12,712.06

Finding the Fourth Proportional to 47,772.37, 71,660.17 and 12,712.06

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Solution

The fourth proportional to 47,772.37, 71,660.17 and 12,712.06 is: 19,068.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,772.37 : 71,660.17 = 12,712.06 : x
  2. Step 2: Convert to fraction form
    47,772.37/71,660.17 = 12,712.06/x
  3. Step 3: Cross multiply
    47,772.37x = 71,660.17 × 12,712.06
  4. Step 4: Simplify right side
    47,772.37x = 910,948,217.39
  5. Step 5: Solve for x
    x = 910,948,217.39/47,772.37
  6. Step 6: Final answer
    x = 19,068.52

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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.