Home / 69,799.52-104,659.60-47,639.75

Finding the Fourth Proportional to 69,799.52, 104,659.60 and 47,639.75

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Solution

The fourth proportional to 69,799.52, 104,659.60 and 47,639.75 is: 71,432.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,799.52 : 104,659.60 = 47,639.75 : x
  2. Step 2: Convert to fraction form
    69,799.52/104,659.60 = 47,639.75/x
  3. Step 3: Cross multiply
    69,799.52x = 104,659.60 × 47,639.75
  4. Step 4: Simplify right side
    69,799.52x = 4,985,957,179.10
  5. Step 5: Solve for x
    x = 4,985,957,179.10/69,799.52
  6. Step 6: Final answer
    x = 71,432.54

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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.