Home / 47,865.06-71,839.08-47,754.36

Finding the Fourth Proportional to 47,865.06, 71,839.08 and 47,754.36

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Solution

The fourth proportional to 47,865.06, 71,839.08 and 47,754.36 is: 71,672.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,865.06 : 71,839.08 = 47,754.36 : x
  2. Step 2: Convert to fraction form
    47,865.06/71,839.08 = 47,754.36/x
  3. Step 3: Cross multiply
    47,865.06x = 71,839.08 × 47,754.36
  4. Step 4: Simplify right side
    47,865.06x = 3,430,629,288.39
  5. Step 5: Solve for x
    x = 3,430,629,288.39/47,865.06
  6. Step 6: Final answer
    x = 71,672.93

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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.