Home / 71,202.80-98,340.58-48,502.42

Finding the Fourth Proportional to 71,202.80, 98,340.58 and 48,502.42

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Solution

The fourth proportional to 71,202.80, 98,340.58 and 48,502.42 is: 66,988.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,202.80 : 98,340.58 = 48,502.42 : x
  2. Step 2: Convert to fraction form
    71,202.80/98,340.58 = 48,502.42/x
  3. Step 3: Cross multiply
    71,202.80x = 98,340.58 × 48,502.42
  4. Step 4: Simplify right side
    71,202.80x = 4,769,756,205.56
  5. Step 5: Solve for x
    x = 4,769,756,205.56/71,202.80
  6. Step 6: Final answer
    x = 66,988.33

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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.