Home / 47,511.68-71,125.54-28,734.92

Finding the Fourth Proportional to 47,511.68, 71,125.54 and 28,734.92

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Solution

The fourth proportional to 47,511.68, 71,125.54 and 28,734.92 is: 43,016.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,511.68 : 71,125.54 = 28,734.92 : x
  2. Step 2: Convert to fraction form
    47,511.68/71,125.54 = 28,734.92/x
  3. Step 3: Cross multiply
    47,511.68x = 71,125.54 × 28,734.92
  4. Step 4: Simplify right side
    47,511.68x = 2,043,786,541.11
  5. Step 5: Solve for x
    x = 2,043,786,541.11/47,511.68
  6. Step 6: Final answer
    x = 43,016.51

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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.