Home / 63,781.12-95,692.19-19,416.46

Finding the Fourth Proportional to 63,781.12, 95,692.19 and 19,416.46

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Solution

The fourth proportional to 63,781.12, 95,692.19 and 19,416.46 is: 29,130.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,781.12 : 95,692.19 = 19,416.46 : x
  2. Step 2: Convert to fraction form
    63,781.12/95,692.19 = 19,416.46/x
  3. Step 3: Cross multiply
    63,781.12x = 95,692.19 × 19,416.46
  4. Step 4: Simplify right side
    63,781.12x = 1,858,003,422.56
  5. Step 5: Solve for x
    x = 1,858,003,422.56/63,781.12
  6. Step 6: Final answer
    x = 29,130.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.