Home / 72,997.22-100,684.31-47,456.48

Finding the Fourth Proportional to 72,997.22, 100,684.31 and 47,456.48

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Solution

The fourth proportional to 72,997.22, 100,684.31 and 47,456.48 is: 65,456.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,997.22 : 100,684.31 = 47,456.48 : x
  2. Step 2: Convert to fraction form
    72,997.22/100,684.31 = 47,456.48/x
  3. Step 3: Cross multiply
    72,997.22x = 100,684.31 × 47,456.48
  4. Step 4: Simplify right side
    72,997.22x = 4,778,122,203.12
  5. Step 5: Solve for x
    x = 4,778,122,203.12/72,997.22
  6. Step 6: Final answer
    x = 65,456.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.