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Finding the Fourth Proportional to 70,198.40, 96,871.48 and 44,370.80

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Solution

The fourth proportional to 70,198.40, 96,871.48 and 44,370.80 is: 61,230.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,198.40 : 96,871.48 = 44,370.80 : x
  2. Step 2: Convert to fraction form
    70,198.40/96,871.48 = 44,370.80/x
  3. Step 3: Cross multiply
    70,198.40x = 96,871.48 × 44,370.80
  4. Step 4: Simplify right side
    70,198.40x = 4,298,265,064.78
  5. Step 5: Solve for x
    x = 4,298,265,064.78/70,198.40
  6. Step 6: Final answer
    x = 61,230.24

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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.