Home / 71,818.80-99,106.17-41,190.33

Finding the Fourth Proportional to 71,818.80, 99,106.17 and 41,190.33

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Solution

The fourth proportional to 71,818.80, 99,106.17 and 41,190.33 is: 56,840.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,818.80 : 99,106.17 = 41,190.33 : x
  2. Step 2: Convert to fraction form
    71,818.80/99,106.17 = 41,190.33/x
  3. Step 3: Cross multiply
    71,818.80x = 99,106.17 × 41,190.33
  4. Step 4: Simplify right side
    71,818.80x = 4,082,215,847.34
  5. Step 5: Solve for x
    x = 4,082,215,847.34/71,818.80
  6. Step 6: Final answer
    x = 56,840.49

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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.