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Finding the Fourth Proportional to 70,198.92, 96,917.04 and 46,365.48

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Solution

The fourth proportional to 70,198.92, 96,917.04 and 46,365.48 is: 64,012.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,198.92 : 96,917.04 = 46,365.48 : x
  2. Step 2: Convert to fraction form
    70,198.92/96,917.04 = 46,365.48/x
  3. Step 3: Cross multiply
    70,198.92x = 96,917.04 × 46,365.48
  4. Step 4: Simplify right side
    70,198.92x = 4,493,605,079.78
  5. Step 5: Solve for x
    x = 4,493,605,079.78/70,198.92
  6. Step 6: Final answer
    x = 64,012.45

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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.